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800.979.0122

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'64-'70 Mustang Crossmember

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Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Natural
Garage Sale:
No
Material Thickness:
.19
Notes
Includes crossmember, spring towers, and boxing plates.
Speedway Mustang II Crossmember for 1964-70 Ford Mustang Frame, Weld-On
Speedway Mustang II Crossmember for 1964-70 Ford Mustang Frame, Weld-On
Speedway Mustang II Crossmember for 1964-70 Ford Mustang Frame, Weld-On

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

These Speedway Mustang IFS kits for 1964-70 Ford Mustangs are natural conversions to improve your vehicles suspension, handling, and overall performance.  They retain all the factory dimensions and locations, so you get all the benefit of factory Ford engineering in your front end.  There is no need to widen or otherwise modify the Ford design or use long tie rod ends! Included in these kits are illustrated installation instructions.
  • 1964-1970 Mustang passenger car frames
  • All Speedway crossmembers come in Deluxe versions (welds ground)
  • Constructed of 7-gauge steel
  • One-Piece Shock Cups are T.I.G. welded in place and have anti-dive built in.
  • Vertical Inner Uprights.  This is the strongest design available, with twice the weld area.  This will keep your frame from twisting!
  • Lower control arm pivot tubes and gussets are NOT included
  • Frame Front Boxing Plates are included for added strength/support
  • Inner fender panels are available to cover cut-out hole during installation
  • Works with both manual or power rack and pinions
  • Works with tubular control arms only

Choose from the crossmembers below and add to an IFS kit to get a "hub to hub" front suspension.  

Mustang II Crossmember Application Chart (Link)

910-34457 Crossmember Installation Instruction Sheet (PDF)

Note:  Additional items may be needed to complete installationYou may want to include our Mustang II ride height adjusters (91034444) for installation with these crossmembers to fine tune your final ride height up to 2".  Inner fender panels are available for these crossmembers, (91034450) for 1964-66 and (91034451) for 1967-70 Mustangs.  These crossmembers come with frame boxing plates included for added strength/support.

Note:  Must use rear sump oil pan. Raised engine placement may require a high-rise hood. Cleveland engines will not work. 2" drop spindles are recommended to retain stock ride height.

Note:  This crossmember is to be used with tubular control arms, as there are fit issues with the stamped steel stock style control arms. 

Note: When using this crossmember with our "power" steering rack, you may also need (2) rack spacers (9101023). (These spacers are included with our Mustang II suspension kits.)

Item Details

1964-70 Mustang Passenger Car
Complete installation may require you to purchase corresponding a-arms, shocks, springs, brake kit, spindles, and steering rack and pinion

Application

2" dropped spindles required
  • 1964-70 Mustang
  • 1967-68 Cougar

This crossmember is to be used with tubular control arms, as there are fit issues with the stamped steel stock style control arms. Further, dropped spindles must be used (see 910-34304) to maintain stock ride height.

If you are using a power steering rack, you will need to purchase two rack spacers #413-1023.

We carry repair panels to fill the holes left when the original suspension is removed:

  • 910-34450 for 1964-1966 Mustang
  • 910-34451 for 1967-1970 Mustang

Note: Crossmember DOES NOT fit 1963-1965 Falcon.

Notes

Overall Benefit:  In a word, "handling". While installing a Mustang II can look like a lot of work, in reality, the improved handling and ride quality are worth the effort. Combine that with improved stopping ability due to numerous brake options and it becomes more a question of “Why wouldn’t you?”.  The independent suspension will give you a much better ride because there is double the suspension travel. A stock axle will give you maybe 2-1/2” of total travel vs. a Mustang II which will give you about 4-1/2”- 5” of travel. There are multiple spring rates available to accommodate varied applications and the rack and pinion steering is much more responsive than a standard steering box. 

Drop:  This varies and is dependent on application and options. Most kits drop the vehicle by 3-4”.  Drop spindles and running lower profile tires than stock also adds to the amount of drop that can be achieved.

Track Width:  You may want to mount custom wheels to your Mustang II conversion and determining proper track width for your application is essential for figuring correct backspacing and overall ride stance.  Standard wheel base is 56-1/2” with a 60” version available for trucks. The various options for brake kits will vary this somewhat and some kits can add roughly 2” to the overall track width. Narrowed arms are available to move the wheel in by 5/8” on each side.  See the link below for various track widths with different options.

 Mustang II Track Width Options (PDF)

Assembly Notes:   Either manual or power steering can be used with these crossmembers.  The passenger side mount has a slot that will take the later model power rack.  With all Mustang II aftermarket crossmembers, spacers and longer bolts must be used with the later (Fox-body) power rack. 

Rack mounts are incorporated into the crossmember design and rotate the rack back 20° to get the input shaft lower. Stock, manual, power racks, or later model Mustang II or T-Bird power racks can be used. The rack is positioned so the bellows will clear most aftermarket full A-Arms. When using crossmembers with our "power" steering rack, you may also need (2) rack spacers (9101023). (These spacers are included with our Mustang II suspension kits.)

This crossmember is to be used with tubular control arms, as there are fit issues with the stamped steel stock style control arms.  Lower control arm pivot tubes and gussets are not included.

Customer Reviews

Rated 5 out of 5 by 5 reviewers.
RATING BREAKDOWN
5 reviews
5 Stars
5
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

BrockPayton
Bella Vista, AR, USA

Great product, price, and fit.

December 27, 2013
Fit like a glove, installed like a dream. Definitely take your time and it will turn out beautifully.
Pros:
  • laser cut metal
Yes, I recommend this product.
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Was this review helpful? 0 0

BrockPayton
Bella Vista, AR, USA

Great product, price, and fit.

December 27, 2013
Fit like a glove, installed like a dream. Definitely take your time and it will turn out beautifully.
Pros:
  • laser cut metal
Yes, I recommend this product.
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Was this review helpful? 0 0

Hulajoe
Hawaii

Easy DIY

December 23, 2013
This kit was easy to install. The price is right. Why spend all that money to completely rebuild the original front end, steering, brakes, etc.(especially if you want front disc brakes)? Spend a tad more and put in an IFS. The laser cut pieces fit like a glove and the installation instructions are easy to follow. Just think it through and measure twice
Pros:
  • Strong
  • Easy To Install
  • Price
Yes, I recommend this product.
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Hulajoe
Hawaii

Easy DIY

December 23, 2013
This kit was easy to install. The price is right. Why spend all that money to completely rebuild the original front end, steering, brakes, etc.(especially if you want front disc brakes)? Spend a tad more and put in an IFS. The laser cut pieces fit like a glove and the installation instructions are easy to follow. Just think it through and measure twice
Pros:
  • Price
  • Strong
  • Easy To Install
Yes, I recommend this product.
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Was this review helpful? 0 0

Big Johnson
Verified Purchaser
Puyallup Wash.

nice fit & finish would use again!!!!!!!

April 18, 2011
used in my 67 mustang fastback nice fit will make my car stop faster and handle better WINNER!!!!
Pros:
  • Can Withstand Use
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

8 questions : 8 answers

1 answers

Will this cross member work on a 1964 Ford Fairlane?

Bibby
Charlotte, NC, USA
February 24, 2015

Will this cross member work on a 1964 Ford Fairlane?

Answers

February 24, 2015
EricM
This crossmember will only work on the 64-70 Mustang and Cougar applications. Sorry we do not offer a crossmember for your application. You could possibly use the universal crossmember 413201 or 413202.
1 answers

Do you sell Lower control arm pivot tubes and gussets, and are they needed I can't find a part number for Lower control arm pivot tubes and gussets, but see they are not included.

67mercman
August 14, 2014

Do you sell Lower control arm pivot tubes and gussets, and are they needed I can't find a part number for Lower control arm pivot tubes and gussets, but see they are not included.

Answers

August 14, 2014
EricM
The tube and gusset will come with the tubular lower control arms such as 91035335. Sorry we do not offer the tube and gusset separately.
1 answers

Header and spring choice? I intend on installing a 429/460 engine in this unit (a '69), I assume that besides the rear sump oil pan that one would use the Fox body engine swap headers? And spring rates for the coil over kit? Any recommendations?

metalmuncher
Illinois, USA
May 05, 2014

Header and spring choice? I intend on installing a 429/460 engine in this unit (a '69), I assume that besides the rear sump oil pan that one would use the Fox body engine swap headers? And spring rates for the coil over kit? Any recommendations?

Answers

May 06, 2014
EricM
Installing a Mustang II suspension in a 64-70 Mustang needs to include the use of dropped spindles to keep original ride height. By removing the inner towers you will gain some needed engine space. Headers from the fox body are not a guaranteed fit but would certainly be worth a try. The coilover spring rate with the 460 engine will probably need to be 550 pound if using the 10" springs or 600 pound if using the 8” springs.
1 answers

WIll this kit fit a 1962 Ford Falcon

sideshow
May 13, 2013

WIll this kit fit a 1962 Ford Falcon

Answers

May 14, 2013
Jason
Cross member number 91034457 for the 64-70 Mustang will NOT work on the Falcon applications. We apologize for the inconvenience and currently a cross member is not available for the Falcon cars. You may want to check other suppliers for the cross member and keep Speedway in mind for the complete hub to hub kit available in many versions.
1 answers

Does this kit come with your adjustable spring screw assembly, 91034444 ?

TrickyRicky
Algona, WA
November 07, 2012

Does this kit come with your adjustable spring screw assembly, 91034444 ?

Answers

November 07, 2012
Jason
Part #91034444 is sold seperate from kit #91034457
1 answers

I was wondering if this kit would also possibly fit a 1968 Ford Torino?

HotRodCHucky
Mn
April 09, 2011

I was wondering if this kit would also possibly fit a 1968 Ford Torino?

Answers

April 13, 2011
John H.
Our 1964 -70 mustang crossmember kit is listed for the Mustangs & Cougar 64 - 70. There is no info or indication it will fit a 1968 Torino. A fabricator could compare the different suspension & frame configurations of those years may be able to fit it.
1 answers

crossmember #910-34457 lenght

March 04, 2011

crossmember #910-34457 lenght

Answers

March 11, 2011
Waymon
This crossmember is manufactured to fit the 1964-70 Mustang and 1967-68 Cougar frame dimensions. If you want to use this crossmember on a different application we suggest that you contact us and speak with one of our technicians.
1 answers

What engine mounts would you suggest to use with this product?

Seth
Scottsbluff, Ne
May 08, 2015

What engine mounts would you suggest to use with this product?

Answers

May 08, 2015
Zach
Expert
Depending on what engine you are using there are several options. Most options will require welding a fabrication when installing a crossmember like this.
Page 1 of 1

You may also be interested in:

Mustang II IFS, Standard Tubular Control Arms, Stock Springs and Spindles
(Part #91034202)
                        

Includes standard upper and offset strutless lower control arms, new standard spindles, rubber brake lines, new black stock type springs and shocks, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.

  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Standard Tubular Upper and Lower Strutless Control Arms
    • New Stock Spindles, Springs, and Shocks
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Std. Tubular Control Arms, Stock Springs, Dropped Spindles
(Part #91034203)
                        Includes standard upper and offset strutless lower control arms, 2" dropped spindles, rubber brake lines, new black stock type springs and  shocks, new manual or rebuilt power rack & pinion with bushings and  new tie rods. The 11" brake kit features GM Metric calipers, with your  choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Standard Tubular Upper and Lower Strutless Control Arms
    • 2" Dropped Spindles
    • Stock Springs, and Shocks
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Narrow Tubular Control Arms, Stock Springs and Spindles
(Part #91034204)
                        

Includes 5/8" narrower upper and offset strutless lower control arms, new standard spindles, rubber brake lines, new black stock type springs and shocks, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.

  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" narrower Tubular Upper and Lower Strutless Control Arms
    • New Stock Spindles, Springs, and Shocks
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Narrow Control Arms, Stock Springs, Dropped Spindles
(Part #91034205)
                        Includes 5/8" narrower upper and offset strutless lower control arms, 2" dropped spindles, rubber brake lines, new black stock type springs and  shocks, new manual or rebuilt power rack & pinion with bushings and  new tie rods. The 11" brake kit features GM Metric calipers, with your  choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" Narrower Tubular Upper and Lower Strutless Control Arms
    • 2" Dropped Spindles
    • Stock Springs, and Shocks
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Std. Tubular Control Arms, Coilover Springs, Stock Spindles
(Part #91034206)
                        Hub-to-hub kit includes standard upper and offset strutless lower control arms, new standard spindles, rubber brake lines, Carrera coilovers, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Standard Tubular Upper and Lower Strutless Control Arms
    • New Stock Spindles
    • Coilover Springs
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Tubular Control Arms, Coilover Springs, Dropped Spindles
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                        Hub-to-hub kit includes tubular upper and offset strutless lower control arms, new standard spindles, rubber brake lines, 2" dropped spindles, Carrera coilovers, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Tubular Upper and Lower Strutless Control Arms
    • 2" Dropped Spindles
    • Carrera Coilovers
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Narrow Control Arms, Coilover Springs, Stock Spindles
(Part #91034208)
                        Complete, hub-to-hub kit includes 5/8" narrower upper control arms, 5/8" narrower  offset strutless lowers, new standard spindles, Carrera  coilovers, new manual or rebuilt power rack &  pinion with bushings  and new tie rods. The 11" brake kit features GM  Metric calipers with  rubber hoses, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt   pattern.

Hub-to-hub kit includes 5/8" narrower upper and offset strutless lower control arms, new standard spindles, rubber brake lines, chrome Carrera coilovers, new manual or rebuilt power rack & pinion with bushings and new tie rods. The 11" brake kit features GM Metric calipers, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.

  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" narrower Tubular Upper and Lower Strutless Control Arms
    • New Stock Spindles
    • Carrera Coilovers
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Narrow Control Arms, Coilover Springs, Dropped Spindles
(Part #91034209)
                        Hub-to-hub kit includes 5/8" narrower upper and offset strutless lower control arms, 2" dropped spindles, rubber brake lines, Carrera  coilovers, new manual or rebuilt power rack & pinion with  bushings and  new tie rods. The 11" brake kit features GM Metric  calipers, with your  choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" narrower Tubular Upper and Lower Strutless Control Arms
    • 2" Dropped Spindles
    • Carrera Coilovers
    • Rack and Pinion with bushings and tie rods
    • 11" brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note: Additional items may be needed to complete installation.  You may want to include our Mustang II ride height adjusters (91034444) for installation with these IFS kits to fine tune your final ride height up to 2".

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Std. Control Arms, Air Ride, Stock Spindles, Wilwood Brakes
(Part #91034215)
                        Hub-to-hub kit includes standard upper and offset strutless lower control arms, new  standard spindles, rubber brake lines, air ride springs/shocks, new manual or rebuilt power rack & pinion with bushings and  new tie rods. The 10-3/4" Wilwood brake kit features GM  Metric calipers with rubber  hoses, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt  pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Standard Tubular Upper and Lower Strutless Control Arms
    • New Stock Spindles
    • Air Ride Springs/Shocks
    • Rack and Pinion with bushings and tie rods
    • 10-3/4" Wilwood brake kit with GM Metric calipers
    • Choose 5 x 4-1/2" or 5 x 4-3/4" bolt pattern
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note:  OEM rubber brake hoses generally cannot be adapted to Wilwood calipers. The caliper inlet fitting is a 1/8-27 NPT. The preferred method is to use steel adapter fittings at the caliper, either straight, 45 or 90 degree and enough steel braided line to allow for full suspension travel and turning radius, lock to lock.

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Std. Control Arms, Air Ride, Dropped Spindles, Wilwood Brakes
(Part #91034217)
                        Hub-to-hub kit includes standard upper and offset strutless lower  control arms, new 2"  dropped spindles, rubber brake lines, air ride  springs/shocks, new manual or rebuilt power rack & pinion with  bushings and  new tie rods. Features 11" Wilwood brake kit with 5 x 4-1/2" and 5 x  4-3/4" bolt  pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • Standard Tubular Upper and Lower Strutless Control Arms
    • New 2" Dropped Spindles
    • Air Ride Springs/Shocks
    • Rack and Pinion with bushings and tie rods
    • 10-3/4" Wilwood brake kit with GM Metric calipers
    • 5 x 4-1/2" and 5 x 4-3/4" bolt pattern
    • 11" Wilwood brakes
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note:  OEM rubber brake hoses generally cannot be adapted to Wilwood calipers. The caliper inlet fitting is a 1/8-27 NPT. The preferred method is to use steel adapter fittings at the caliper, either straight, 45 or 90 degree and enough steel braided line to allow for full suspension travel and turning radius, lock to lock.

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

'Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Short Control Arms, Air Ride, Stock Spindles, Wilwood Brakes
(Part #91034219)
                        

Hub-to-hub kit includes 5/8" narrower upper and offset strutless lower control arms, new standard spindles, rubber brake lines, air ride , new manual or rebuilt power rack & pinion with bushings and new tie rods. The 10-3/4" Wilwood brake kit features GM Metric calipers with rubber hoses, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt pattern.

  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" narrower Tubular Upper and Lower Strutless Control Arms
    • New Standard Spindles
    • Air Ride Suspension shocks
    • Rack and Pinion with bushings and tie rods
    • 10-3/4" Wilwood brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note:  OEM rubber brake hoses generally cannot be adapted to Wilwood calipers. The caliper inlet fitting is a 1/8-27 NPT. The preferred method is to use steel adapter fittings at the caliper, either straight, 45 or 90 degree and enough steel braided line to allow for full suspension travel and turning radius, lock to lock.

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Mustang II IFS, Narrow Arms, Air Ride, Dropped Spindles, Wilwood Brakes
(Part #91034221)
                        Hub-to-hub kit includes 5/8" narrower upper and offset strutless  lower  control arms, 2" dropped spindles, rubber brake lines, air ride  , new manual or rebuilt power rack & pinion with  bushings  and   new tie rods. The 10-3/4" Wilwood brake kit features GM  Metric calipers  with rubber  hoses, with your choice of 5 x 4-1/2" or 5 x 4-3/4" bolt   pattern.
  • Works with all Speedway and Heidts crossmembers 
  • Kit Includes:
    • 5/8" narrower Tubular Upper and Lower Strutless Control Arms
    • 2" Dropped Spindles
    • Air Ride Suspension shocks
    • Rack and Pinion with bushings and tie rods
    • 10-3/4" Wilwood brake kit with GM calipers
  1. Add proper crossmember to complete kit.

Spring Rate Chart (Link)

Note:  OEM rubber brake hoses generally cannot be adapted to Wilwood calipers. The caliper inlet fitting is a 1/8-27 NPT. The preferred method is to use steel adapter fittings at the caliper, either straight, 45 or 90 degree and enough steel braided line to allow for full suspension travel and turning radius, lock to lock.

Note:  If using these kits with Speedway or Heidts crossmembers for 1948-1956 Ford Pickups, 1955-1959 Chevy Pickups, or universal crossmembers for 27-1/2" - 33-1/2" frame widths, you will be required to purchase 2" Inner Tie Rod Extensions (91034345) or (91034346).

Item Details

Must include Mustang II crossmember for complete installation (sold separately)
Speedway Mustang II Tubular Lower Control Arms for Coilover, Strut Rod
(Part #91034321)
                        

You don't have to look any farther for tubular control arms for your hot rod. Full .120 wall, 1" diameter tubing, fixture welded and features screw-in ball joints and no-squeak bushings. These lower arms are designed to be used with strut rods and coil-over shocks. Will work with nearly any stock or aftermarket crossmember. Welding may be required on some applications.

Replaces 1974-80 Pinto, Bobcat and 1974-78 Mustang II control arms.

  • Full .120" wall
  • 1" diameter tubing
  • 13-1/2" center to center and 6" at widest point
  • 15-3/8" overall in length
  • Weigh about 6-1/2 pounds (each arm)
  • Pivot Point width: 3.380"
  • Fixture welded
  • Screw-in ball joints
  • No-squeak bushings
  • Works with Mustang II crossmembers that come without lower A-Arm tabs and require strut rods
  • Designed to be used with coil-over shocks
  • Choose Left or Right side

Note: This item is sold individually.

Tubular Control Arms Application Chart (GIF)

910-34321 Tubular Lower Control Arm Instruction Sheet (PDF)

Note: These lower control arms will require use of a strut rod and strut rod brackets. We recommend our tubular strut rods (91034322).

Note: Consider our Mustang II Lower Arm bolt kit (91034311-2) for proper installation.

Speedway Mustang II Tubular Lower Control Arm for Stock, Strut Rod
(Part #91034327)
                        

You don't have to look any farther for tubular control arms for your hot rod. These tubular lower control arms are designed to be used stock style Mustang II springs and shocks as well as Mustang II crossmembers that come without the welded-in A-Arm gussets. These control arms will need strut rods for proper installation. They are designed to be used with stock style springs and shocks. Will work with nearly any stock or aftermarket crossmember. Welding may be required on some applications.

Replaces 1974-80 Pinto, Bobcat and 1974-78 Mustang II control arms.

  • Full .120" wall
  • 1" diameter tubing
  • Fixture welded
  • Screw-in ball joints
  • No-squeak bushings
  • Designed to correspond with stock style Mustang II springs and shocks
  • Works with Mustang II crossmembers that come without lower A-Arm tabs and require strut rods
  • Choose Left or Right side

Note: This item is sold individually.

Tubular Control Arms Application Chart (GIF)

910-34327 Tubular Lower Control Arm Instructions  (PDF)

Note: These lower control arms will require use of a strut rod and strut rod brackets. We recommend our tubular strut rods (91034322).

Note: Consider our Mustang II Lower Arm bolt kit (91034311-2) for proper installation.

Mustang II Tubular Lower Arms for Stock, No Strut, 5/8 Inch Narrower
(Part #91034336)
                        

You dont have to look any farther for tubular control arms for your Mustang II IFS-equipped hot rod. Our Mustang II control arms are made from full .120 wall, 1" diameter tubing, fixture welded and feature screw-in ball joints and no-squeak rubber bushings. These new generation, no-strut style arms eliminate the strut rod found on stock-style Mustang II IFS systems. The improved, triangulated design provides stability and strength within the arm itself, so you can get rid of that ugly strut rod.

Will work with nearly any stock or aftermarket Mustang II front crossmember (welding is required on most applications). Lower control arm accepts stock-style Mustang II 3-1/2" I.D. front coil springs and shocks. These control arms are 5/8" narrower than stock, which means that they will reduce front track width by 5/8" per side (or 1-1/4" overall) when compared to a stock width control arm. This helps tuck the wheels up under the fenders without having to buy expensive special offset wheels. When using 5/8" narrower control arms, 1" must be removed from each inner tie rod end.

  • 5/8" Narrower than stock width
  • Upgrade to a cleaner looking control arm
  • Full .120" wall, 1" diameter fixture welding tubing
  • Features screw-in ball joints and no-squeak bushings
  • Works with nearly any stock or aftermarket crossmember
  • Welding may be required on some applications
  • Designed to correspond with stock style Mustang II springs and shocks
  • Works with Mustang II crossmembers that come without lower A-Arm tabs
  • Non-strut rod applications

Tubular Control Arms Application Chart (GIF)

910-34336 Tubular Lower Control Arm Instructions (PDF)

Item Details

5/8" Narrower
No Strut, Stock Spring
Mustang II Tubular Lower Arms for Air Ride/Wilwood Brakes No Strut Rod
(Part #91034338)
                        

You dont have to look any farther for tubular control arms for your Mustang II IFS-equipped hot rod. Our Mustang II control arms are made from full .120 wall, 1" diameter tubing, fixture welded and feature screw-in ball joints and no-squeak rubber bushings. These new generation, no-strut style arms eliminate the strut rod found on stock-style Mustang II IFS systems. The improved, triangulated design provides stability and strength within the arm itself, so you can get rid of that ugly strut rod.

Will work with nearly any stock or aftermarket Mustang II front crossmember (welding is required on most applications). For use with Ridetech/Air Ride front air bag air springs.

  • Stock width
  • Upgrade to a cleaner looking control arm
  • Full .120" wall, 1" diameter fixture welding tubing
  • Features screw-in ball joints and no-squeak bushings
  • Works with nearly any stock or aftermarket crossmember
  • Welding may be required on some applications
  • Designed to correspond with Air-Ride suspension and Wilwood Brakes
  • Works with Mustang II crossmembers that come with lower A-Arm tab gussets
  • Non-strut rod applications

Tubular Control Arms Application Chart (GIF)

910-34338 Tubular Lower Control Arm Instructions (PDF)

Check out our 5/8" narrower than stock width upper control arms (91034339) for applications that require a shorter track width.  These allow you to tuck the wheels up under the fenders without having to buy expensive special offset wheels. 

Item Details

Stock Width
Designed for Air Ride Suspension
For use with Wilwood brakes
Non-Strut Rod Applications
Mustang II Tubular Lower Arms for Air Ride/Wilwood, No Strut, 5/8 In
(Part #91034339)
                        

You dont have to look any farther for tubular control arms for your Mustang II IFS-equipped hot rod. Our Mustang II control arms are made from full .120 wall, 1" diameter tubing, fixture welded and feature screw-in ball joints and no-squeak rubber bushings. These new generation, no-strut style arms eliminate the strut rod found on stock-style Mustang II IFS systems. The improved, triangulated design provides stability and strength within the arm itself, so you can get rid of that ugly strut rod.

Will work with nearly any stock or aftermarket Mustang II front crossmember (welding is required on most applications). For use with Ridetech/Air Ride front air bag air springs. These control arms are 5/8" narrower than stock, which means that they will reduce front track width by 5/8" per side (or 1-1/4" overall) when compared to a stock width control arm. This helps tuck the wheels up under the fenders without having to buy expensive special offset wheels. When using 5/8" narrower control arms, 5/8" must be removed from each inner tie rod end.

  • 5/8" Narrower than stock width
  • Upgrade to a cleaner looking control arm
  • Full .120" wall, 1" diameter fixture welding tubing
  • Features screw-in ball joints and no-squeak bushings
  • Works with nearly any stock or aftermarket crossmember
  • Welding may be required on some applications
  • Designed to correspond with Air Ride suspension
  • Works with Mustang II crossmembers that come with lower A-Arm tabs
  • Non-strut rod applications

Tubular Control Arms Application Chart (GIF)

910-34339 Tubular Lower Control Arm Instructions (PDF)

Item Details

5/8" Narrower than Stock
No-Strut, for Air Springs
Designed for use with Wilwood Brakes
Heidts Mustang II Crossmember for 64-70 Ford Mustang Frame, Weld-On
(Part #41334437)
                        These are Heidts Mustang II crossmembers for 1964-1970 Mustang passenger cars.   Heidts  Mustang IFS kits for Fords are  natural conversions for the Ford    frames.  They retain all the factory  dimensions and locations, so you    get all the benefit of Ford  engineering in your front end.  Theres absolutely no reason to widen or otherwise modify the Ford design or use long tie rod ends!  Included   in these kits are Heidts own illustrated   installation booklets.
  • 1964-1970 Mustang passenger car frames
  • Economy (unground welds)
  • Constructed of 7-gauge steel
  • Mustang II cross members using stock spindles will drop the stock ride height 3-4”
  • Built-in Anti-Dive is all fitted to your frame…No Grinding Required!  Nothing to measure or trim…It’s All Done!
  • One-Piece Shock Cups are T.I.G. welded in place and have anti-dive built in. First class, for your car.
  • Vertical Inner Uprights.  This is the strongest design available, with twice the weld area.  This will keep your frame from twisting!
  • Main crossmember made from only 2 formed pieces for maximum strength and accurate fit.
  • Crossmember and Spring Towers precut and pre-welded to fit your frame…Nothing to Measure!
  • Lower control arm pivot tubes and gussets are NOT included
  • Frame Front Boxing Plates are included for added strength/support
  • Inner fender panels are available to cover cut-out hole during installation
  • Works with both manual or power rack and pinions
  • Works with tubular control arms only

For a LARGER selection at a LOWER price, see Speedways collection of mustang II crossmembers.

Choose from the crossmembers below and add to an IFS kit to get a "hub to hub" front suspension.  

Mustang II Crossmember Application Chart (Link)

413-34437 Crossmember Installation Instructions (PDF)

Note:  Additional items may be needed to complete installationYou may want to include our Mustang II ride height adjusters (91034444) for installation with these crossmembers to fine tune your final ride height up to 2".  Inner fender panels are available for these crossmembers, (91034450) for 1964-66 and (91034451) for 1967-70 Mustangs.  These crossmembers come with frame boxing plates included for added strength/support.

Note:  Must use rear sump oil pan. Raised engine placement may require a high-rise hood. Cleveland engines will not work. 2" drop spindles are recommended to retain stock ride height.

Note:  This crossmember is to be used with tubular control arms, as there are fit issues with the stamped steel stock style control arms.

Note: When using this crossmember with our "power" steering rack, you may also need (2) rack spacers (9101023). (These spacers are included with our Mustang II suspension kits.)

Item Details

1964-70 Mustang, 1967-68 Cougar
(2" dropped spindles required)
Complete installation may require you to purchase corresponding a-arms, shocks, springs, brake kit, spindles, and steering rack and pinion
Mustang II Ride Height Adjuster Kit
(Part #91034444)
                        
  • Adjust final ride height up to 2"
  • Fine tune your MII installation
  • Trimming and drilling of towers required

Learn more about our ride height adjuster kits by reading Rod & Custom Magazine's tech article; Speedway Motors Ride Height Adjusters.

Heidts PX-325 1964-66 Mustang Inner Fender Panels
(Part #91034450)
                        

These stamped steel inner fender panels are replacements for 1964-66 Ford Mustangs with Mustang II style front suspension.  They feature a smooth surface finish with no bead rolls.

  • Stamped steel
  • 1964-66 Ford Mustangs with Mustang II style front suspension
  • Smooth surface with no bead rolls
  • Hardware included

Item Details

for Mustang II IFS
Heidts PX-326 1967-70 Mustang Replacement Inner Fender Panels
(Part #91034451)
                        These stamped steel inner fender panels are replacements for 1967-70  Ford Mustangs with Mustang II style front suspension.  They feature a  smooth surface finish with no bead rolls.
  • Replacement stamped steel
  • 1967-70 Ford Mustangs with Mustang II style front suspension
  • Smooth surface with no bead rolls
  • Hardware included

Item Details

for Mustang II IFS
Mustang ll Manual Steering Rack & Pinion 9/16-26 Spline-Pinto/Bobcat
(Part #91034340-MAN)
                        

Product update: The rebuilt power rack # 910-34340-POW as described here and in our previous catalogs has been phased out and replaced with a new rack # 910-35341

Fits aftermarket Mustang II crossmembers. Available in manual or power steering. Mount bushings are included with the Power version, but mount bushings are NOT included in the Manual version.

MANUAL: New manual rack and pinion steering assembly for Pinto/Bobcat/Mustang II based front suspensions in street rods and kit cars. 9/16"-26 spline input shaft. 16" mount centers. 

POWER: Rebuilt power rack from 1982-88 T-bird. Also fits aftermarket Mustang II crossmembers. Bushings included. (Can be used with a Saginaw GM power steering pump without any additional valves or inline pressure regulators). Overall width is 45-1/8" with 15-1/2" mount centers. Must use offset bushings (910-34342) to mount to original Mustang II crossmembers. 3/4"-36 spline input shaft.

91034340 CPP Instructions (PDF)