Bolt-In 1935-40 Ford Mustang II Crossmember
Bolt-In 1935-40 Ford Mustang II Crossmember
Speedway Motors

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#91043540

Bolt-In 1935-40 Ford Mustang II Crossmember

  • This bolt in crossmember design makes it easy for the average DIY hobbyist to ugrade to Mustang II independent front suspension
  • Fits 1935 to 1940 Ford passenger cars and 1935 to 1941 Ford half ton pickups
  • Final ride height is approximately 3" to 4" lower than stock giving you a perfect hot rod stance
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$573.99

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Product Summary

Front Position, Mustang II Crossmember Type, Steel

  • This bolt in crossmember design makes it easy for the average DIY hobbyist to ugrade to Mustang II independent front suspension
  • Fits 1935 to 1940 Ford passenger cars and 1935 to 1941 Ford half ton pickups
  • Final ride height is approximately 3" to 4" lower than stock giving you a perfect hot rod stance
  • Threaded spring adjusters allow you to fine tune ride height even with standard style springs and shocks
  • Comprehensive step by step instructions are included to allow you to install this crossmember without the need for a welder
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Key Specs

MFG. Part #91043540
PositionFront
Crossmember TypeMustang II
Crossmember StyleBoxed
Attachment StyleBolt-on
See more specs

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Speedway Motors 91043540 Details

Our bolt-in Mustang II suspension kit for 1935-1940 Ford passenger car and 1935-1941 Ford half-ton pickup includes all hardware and instructions.

  • Completely bolt in - no welding required
  • Based on proven Mustang II geometry
  • Complete with bolt in boxing plates to reinforce the frame
  • Interlocking design for ultimate strength
  • Final ride height is approximately 3"-4" lower than stock
  • Threaded adjusters to fine tune ride height
  • Full lower A-arms required with this crossmember (strutless type)

Learn how to properly install this bolt-in kit by reading Street Rodder Magazines tech article: No-Weld IFS Crossmember - Bolt-In Independence.

Note: We have available bolt on engine mount kits to work in conjunction with this crossmember for both the Small Block Chevy and Small Block Ford applications.

Note: This crossmember must be used with the non-strut rod type lower control arms.  As designed, it will not work with stock type or the O/E type lower control arms that make use of a strut rod.

Item Details

'35-'40 Ford car & '35-'41 Ford pickup

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Speedway Motors 91043540 Specifications

KEY SPECS
MFG. Part #91043540
BrandSpeedway Motors
PositionFront
Crossmember TypeMustang II
Crossmember StyleBoxed
Attachment StyleBolt-on
GENERAL
Steering System CompatibilityPower Rack and Pinion
Control Arm CompatibilityTubular | Strutless
Tie Rod Extensions RequiredNo
Material TypeSteel
FinishNatural
Ride Height (w/Stock Spindles)3" to 4" Lowered
Material Thickness0.19"
Hardware IncludedYes
Sold in QuantityKit
NotesIncludes crossmember, spring towers, and boxing plates.

Ratings & Reviews

4

6 Reviews

Overall Assessment

Customers appreciate our product's confirmed qualities despite installation complexities. Several note that diligence and patience during fitting yield satisfying results. The compatibility with a rear sump oil pan when installing a 351 c was well-received. The motor mount kit's accommodation stands out, with customers praising its perfect fit. Some customers believe our product offers better usability compared to competitors. However, advice includes careful preparation due to bolt length and hole alignments. While the installation might be tedious, customers confirm that the quality, practicality, and main features enhance the product's overall value.

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4

6 reviews

5

3

4

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1

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Exactly what I wanted and needed.

5.0

3 months ago

Bighead

Jonesboro TN

Verified

Fit perfect with minor modifications.

Would Recommend

I would buy this again

4.0

9 months ago

Lawnbouy

Alberta Canada

Verified

It is not easy to get the frame rails squeezed together to install this. I have installed weld on kits and found it much easier than drilling all the holes and fitting this. Weld on is quite a bit cheaper as well.

Would Recommend

Consider the weld on version

4.0

10 months ago

Lawnbouy

Alberta Canada

Verified

This crossmember is well-made. Given the extra cost over the weld in version, as well as the difficulty of drilling all those holes. I would seriously consider the welding version on the next build. A great option if you are not able to weld.

Would Recommend

Customer review image

Fits exactly as described

5.0

a year ago

Capn. Willy

Central Vermont

Verified

Follow the instructions carefully, pay extra attention aligning and squeezing the frame rails. Measure carefully twice and it will fit nicely. I also purchase Speedway's Mustang II front suspension and it matches up perfectly.

Would Recommend

STAY AWAY

1.0

7 years ago

Frank

Selden, NY

Verified

40 years of building cars have never had so many issues. Poorly engineered none of the bolt holes line up every thing has to be drilled. Had to buy longer bolts most bolts are too short. Lots of sledge hammering and clamping to line up components. Very dissatisfied for the money paid for this kit. Buy the weld in unit its much simpler to install. Even the motor mount kit doesn't fit properly needs spacers and longer bolts.

Would Not Recommend

this product has great features......no

5.0

12 years ago

bossguy351

Monroe, MI, USA

I liked the unit. take your time and this crossmember fits in nice. i found out if you are putting in a 351 c you will have to use a rear sump oil pan. i did my crossmember install by my self,and you can do it with the front sheet metal still on the car. like i said take your time, it took me about 3 days in my spare time . and the motor mount kit fit like a glove. hats off to speedway motors.

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

18 Questions • 11 Answers

40 Ford P U 350 V8, no air what springs to use with this crossmember and do they need to be trimmed because of thickness of adjuster?

by Homer

• 3 years ago

1 answer

View Answer

I asked a previous question about which hub to hub kit to use with this crossmember and you recommended suspension kit 91034202. I noticed that kit comes with stock spindles. My other question is can I get dropped spindles substituted instead of the stock ones? I would like my tires tucked up inside the fenders instead of the whole tire showing.

by Paul

• 8 years ago

1 answer

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What would be the right hub to hub kit to use with this bolt in crossmember.

by None

• 8 years ago

1 answer

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Where is the 112" mark on a 1937 Ford coupe? Specifically where does tje measurement start?

by Jason

• 8 years ago

1 answer

View Answer

I noticed that other manufacturers require strut rods.How come your does not.Is it strong enough?

by yankee

• 9 years ago

2 answers

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I was thinking of putting a big block 460 in my car would this kit work for what I'm doing

by 40coupe

• 9 years ago

1 answer

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When using this kit with sbf mounts ,Part # 910535402, to install a 302, is it necessary to cut the firewall?

by Thatguy

• 9 years ago

1 answer

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Power rack work with this crossmember?

by Tim

• 10 years ago

1 answer

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Is there any way to retain the stock ride height for my 38 Ford using this setup? If not, what options do I have for an IFS with a stock height?

by Shave

• 11 years ago

1 answer

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can airbags be used with this crossmember

by Gideon

• 12 years ago

1 answer

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