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$319.99
Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX
Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX

Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX

Front Position, Mustang II Crossmember Type, Boxed Crossmember Style, Weld-on Attachment Style

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Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX
Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX
Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX
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Speedway Mustang II Crossmember-Ford Frame-35-40 Car-35-41 Pickup-DLX
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Part # 91034443-DLX
$319.99
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  • This IFS crossmember for 1935-40 Ford cars and 1935-41 Ford 1/2 ton pickups is a great way to improve your vehicles suspension, handling, and overall performance
  • Works with both manual or power rack and pinions
  • Frame Front Boxing Plates are included for added strength and support
  • 5/8" narrower control arms are reccomended for this crossmember
  • Choose from a variety of front suspension kits to finish off your front end

Details

Position:
Front
Crossmember Type:
Mustang II
Crossmember Style:
Boxed
Attachment Style:
Weld-on
Steering System Compatibility:
Manual/Power Rack and Pinion
Control Arm Compatibility:
Tubular or Stock | Narrowed
Tie Rod Extensions Required:
No
Material Type:
Steel
Material Gauge:
7-gauge
Finish:
Natural
Ride Height (w/Stock Spindles):
3" to 4" Lowered
Material Thickness:
0.19"
Sold in Quantity:
Kit
MFG. Part #:
91034443-DLX
Notes:
Includes crossmember and spring towers.

Info

These Speedway Mustang IFS kits for 1935-40 Ford cars and 1935-41 Ford 1/2 Ton pickups 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.

  • 1935-1940 Ford passenger car frames
  • 1935-1941 Ford pickup frames
  • All Speedway crossmembers come in Deluxe versions (welds ground)
  • Constructed of 7-gauge steel
  • Mustang II cross members using stock spindles will drop the stock ride height 3-4”
  • 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 available for added strength/support (91054443)
  • Recommended for use with 5/8" Narrow A-Arms

Where the cross memeber sits up againt the frame measures 3 3/4" front to back and then 2 1/4"side to side

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)

910-34443 Crossmember Installation Instruction Sheet (PDF)

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 crossmembers to fine tune your final ride height up to 2".  Frame boxing plates (91054443)

Item Details

1935-40 Ford Car
1935-41 Ford Pickup
Complete installation may require you to purchase corresponding a-arms, shocks, springs, brake kit, spindles, and steering rack and pinion

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:  The holes for the lower control arms are 1/2″ (stock). If you will use tubular lower A-Arms instead of the stock lower arms, the lower pivot holes will have to be drilled out to 5/8″.  Lower control arm pivot tubes and gussets are not included.

These crossmembers are recommended for use with 5/8" narrowed control arms but will work with stock control arms. If used with stock arms, these will require strut rods and strut mounts for installation. Speedway crossmembers DO NOT include strut rod mounting brackets. We recommend either our offset or no-strut control arms or the tubular strut rod (91034322). 

Note: Applications where the vehicle has fenders that mount directly on top of the frame, the fenders will require extensive modification to allow clearance for the upper cross member section.

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • This article guides you through the process of repairing and painting a subframe for a 1967 Poncho Firebird. See how the front suspension gets an overhaul including new G-comp spindles and a disc brake kit.
  • Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.
  • See how Jeff converts his 1967 Chevelle rear suspension to QA1 double adjustable coil-over suspension. This allows added adjustability for ride height and compression and rebound characteristics.

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