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1935-40 Bolt Together Chassis Kit, MII-IFS & Coil-Over Rear Suspension
1935-40 Bolt Together Chassis Kit, MII-IFS & Coil-Over Rear Suspension

1935-40 Bolt Together Chassis Kit, MII-IFS & Coil-Over Rear Suspension

35-40 Ford

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1935-40 Bolt Together Chassis Kit, MII-IFS & Coil-Over Rear Suspension
1935-40 Bolt Together Chassis Kit, MII-IFS & Coil-Over Rear Suspension
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We estimate this item will ship on or before November 1st.
Part # 9101940
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MFG. Part #:


This complete front and rear independent suspension kit contains everything you need to build a great foundation for your fat-fendered 1935-1940 Ford. There is no welding required and all components bolt together.

Kit Includes:

  •  Pair of 11 gauge frame rails
  •  Speedway exclusive Bolt together center X-member
  •  Bolt-On Mustang II Crossmember assembly
  •  Rear frame cross support
  •  Hardware

Also Includes - Bolt-On triangulated rear four-bar kit!


  • 56” wide 9” Ford housing with all mounts welded
  • 4-link kit
  • Coil-over assemblies
  • Crossmember

Component Features:

  • 1935-40 Ford Frame Rails (91603540): Laser cut C-channel frame rails welded on a rail fixture to ensure correct curvature with all OEM holes pre-drilled for ease of assembly.
  • 1935-40 Ford Bolt-In Tubular X-member (91063540):  Designed for stoc, original 1935-40 Ford frames and made of 1-1/2" O.D. .095" wall steel tubing.  Includes bolt-in boxing plates, drop-out transmisson mount, brake pedal and booster/master cylinder mount and hardware.  Accepts standard GM automatic transmission mounting as well other popular transmissions and works with 2" exhaust tubing.

91063540 Instructions (PDF)

910-83540 Instructions (PDF)
  • Bolt-In 1935-40 Ford Mustang II Crossmember (91043540):  Completely bolt-in with no welding required, these crossmembers are based on the proven Mustang II geometry. They feature bolt-in boxing plates to reinforce the frame with an interlocking design for ultimate strength.  Provides a ride height of approximately 3"-4" lower than stock with threaded adjusters to fine tune the height.  Full lower A-arms are required with this crossmember.

910-43540 Crossmember Instructions (PDF)

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.

  • QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch (7214855):  These premium aluminum bodied shocks are not a revalved race shock - they were built specifically for street rods. QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rod's ride. Comes with steel coilover sleeves for the shock eyes to fit 1/2" bolts or 5/8" bolts.  Features:  - Billet aluminm body, - 5/8" centerless ground, hard chrome plated solid piston rod, - Deflective Disc Valving, - 3-step sealing system, - 18-position adjuster knob changes the rebound valving, - Allows suspension control in one easy-to-reach location, - 100% dyno tested and serialized, -Revalvalveable and rebuildable by QA1 authorized service centers
  • Bolt-In 1935-40 Ford Triangulated Four-Bar Rear Suspension Kit (91003540):  Allows you to assemble a complete frame and suspension using only basic hand tools and a drill.  Will greatly improve both the ride quality and handling.  Features:  New 9" Currie 56" long housing with welded brackets, Chromoly four bars with urethane bushings, 11" steel bodied coil-over shocks.  Allows for a maximum tire width of 8" if used with stock '35-'40 Ford fenders.


Some parts are not legal for use in California or other states with similar laws/regulations

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What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Speedway 1935-40 Ford Steel Frame Rails
    Qty x 1
  • Speedway 1935-40 Ford Bolt-In Tubular X-member Crossmember
    Qty x 1
  • Bolt-in Brake Pedal Kit for 91063540
    Qty x 1
  • Speedway 1935-40 Ford Bolt-In Rear Frame Cross Support
    Qty x 1
  • Bolt-In 1935-40 Ford Mustang II Crossmember
    Qty x 1
  • AFCO 23250CR 10 Inch Extreme Chrome Coil-Over Spring, 250 Rate
    Qty x 2
  • QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch
    Qty x 2
  • Lower Radius Rod
    Qty x 2
  • Upper Radius Rod
    Qty x 2
  • Frame Mount for 91003540
    Qty x 1
  • Frame Mount for 91003540
    Qty x 1
  • Coil Over Mount Crossmember
    Qty x 1
  • Hardware Kit for 91003540
    Qty x 1
  • 9 Inch Rearend Axle Housing, 56 Inch
    Qty x 1


Q & A

  • In this episode, Project Chevelle gets coilovers and a much-needed altitude adjustment. Watch as we install QA1 bolt-on coilover kits front and rear, then dial in the perfect stance and shock settings. Our old Chevelle is really starting to look mean!
  • AccuAir and Speedway Motors team up to bring you a video series explaining the basics of air suspension. Watch these videos to get a better understanding of air suspension.
  • Tim demonstrates a quick and easy solution to removing dents in your sprint car torsion tube. Check out this video for a simple fix to a common problem.

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