Bolt-In 1935-40 Ford Triangulated Four-Bar Rear Suspension Kit
Bolt-In 1935-40 Ford Triangulated Four-Bar Rear Suspension Kit
Speedway Motors

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#91003540

Bolt-In 1935-40 Ford Triangulated Four-Bar Rear Suspension Kit

  • Build a firm foundation for your vintage 1935-40 Ford without picking up a welder!
  • Includes 4 link kit, coil over shock/spring assemblies and crossmember mount, 9" Ford housing brackets
  • This triangulated four bar rear suspension greatly improves ride quality and handling
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$2,462.99

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Product Summary

Solid Axle Rear Suspension Type, Coilover Spring Type

  • Build a firm foundation for your vintage 1935-40 Ford without picking up a welder!
  • Includes 4 link kit, coil over shock/spring assemblies and crossmember mount, 9" Ford housing brackets
  • This triangulated four bar rear suspension greatly improves ride quality and handling
  • All new 9” Ford rearend housing with welded suspension brackets makes installation a quick bolt together process
  • Bolt-on frame brackets and shock crossmember provide solid attachment points for the coil-over shocks

Comes as a Kit

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Key Specs

MFG. Part #91003540
Rear Suspension TypeSolid Axle
Trailing Arm StyleTriangulated 4-Link
Suspension Kit TypeConversion
Suspension Height AdjustmentStock Height
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Speedway Motors 91003540 Details

Build a firm foundation for your vintage 1935-40 Ford without picking up a welder! This innovative line of chassis components from Speedway Motors allows the do-it-yourself rodder to assemble a complete 1935-40 Ford frame and suspension using only basic hand tools and a drill.

This triangulated four bar rear suspension will greatly improve both the ride quality and handling of your Ford.  

  • New 9” Ford style rearend housing with welded suspension brackets
  • Chromoly four bars with urethane bushings
  • Bolt-on frame brackets and shock crossmember
  • 12” steel-bodied coil-over shocks

NOTE: Finish will be plain steel, not powder coated as shown. Third member, axle shafts and rear disc brake kit are shown in the photo for reference only, but are not included as part of this kit and are available separately.

 

Included in this Kit:

(2) Coil-Over Springs - 250 Pound Rate

(2) Ultraride Shocks

(2) Lower Radius Rods

(2) Upper Radius Rods

(1) Left Hand Frame Mount

(1) Right Hand Frame Mount

(1) Coil Over Mount Crossmember

(1) Hardware Kit 

(1) 9 Inch Rearend Axle Housing, 56 Inch

Charts

Speedway Motors 91003540 Specifications

KEY SPECS
MFG. Part #91003540
BrandSpeedway Motors
Rear Suspension TypeSolid Axle
Trailing Arm StyleTriangulated 4-Link
Suspension Kit TypeConversion
Suspension Height AdjustmentStock Height
Spring TypeCoilover
Spring Rate250 lbs.
Shocks IncludedYes
Bolt-OnYes
Axle Housing IncludedYes
Material TypeSteel
GENERAL
Sold in QuantityKit
NotesFrame mount hole will need to be drilled. Bolts are not included.
FinishNatural

Ratings & Reviews

4.7

3 Reviews

Overall Assessment

Customers endorse the impressive quality and practicality of our car kit. The components are praised for their robust design tailored to meet diverse needs; a customer even custom-ordered our kit for a 1939 Ford Coupe. The kit was lauded for superior material quality, as its heavy-duty nature stood out. However, it was also mentioned that instructions would enhance the usability of the product. Customers choose our product over competitors for its evident quality and adaptability. Despite a need for an instruction manual, the product stands on its own merit.

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4.7

3 reviews

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Very good product, installation went well.

4.0

12 months ago

Capn Kwirk

Central Vermont

Verified

Carefully designed to allow tight but manageable fit. Likely, slightly easier to use in the new frame rails however they worked well on my original frame. Make sure to get lots of measurements and pics recorded before beginning so you have reference, assuring correct placement. Installed and works very well. May add sway bar.

Would Recommend

Customer review image
Customer review image

You can't go wrong with this kit.

5.0

8 years ago

Beachnutts

Waco, TX

Verified

I bought this kit for my 1939 ford coupe. I custom ordered this kit without the rear axle. The quality of the parts are impressive.

Would Recommend

Great Kit

5.0

8 years ago

Da Coupe

Castlewood VA.

Verified

Kit looks to be well designed and heavy duty. Only problem is there is NO instructions. I understand that every car is different but there should be some general guidance as placement of the frame brackets and rear end placement. I will take detailed notes, measurements and photos and will send when I get it installed.

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

22 Questions • 11 Answers

can you please tell me how long the upper and lower rods are? thanks

by Brent

• 2 years ago

1 answer

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Is the Housing itself 56" or 56" from axle Flange to axle Flange

by Mike

• 7 years ago

1 answer

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This kit with 28 spline axles?

by Moon

• 7 years ago

2 answers

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What is wheel flange to wheel flange width

by Old35

• 7 years ago

1 answer

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This is the exact setup i am wanting for my 1937 Ford 1/2 Ton Pickup. Do you offer a kit just like this one for it?

by Alcarguy

• 7 years ago

1 answer

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I want to order the kit but what is price without rear end housing and Shocks? I have my rear end already and may use air bags. Thanks

by Diesel

• 7 years ago

1 answer

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I have been told that weight limit in the trunk is a problem with this kit. Also is a shorter axel housing available with this kit like 52 inches?

by Frank

• 7 years ago

1 answer

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Is there a parallel leaf spring kit offered with the 8.8 or 9 inch housing offered for the 40 Ford Coupe stock chassis or would this be a custom order situation.

by Larry

• 7 years ago

1 answer

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I am modifying a 35-40 Ford frame and will be will be narrowing the frame width at the rear axle. I need to cut the frame 18" ahead of the rear axle center line. Will I be able to install the frame brackets with this modification? What is the measurement from the rear edge of the frame four link bracket to the axle center line?

by STEVE

• 9 years ago

1 answer

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Do you offer this without the shocks? I plan on using air ride suspension.

by Ken

• 9 years ago

1 answer

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