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1942-48 Ford Composite Leaf Spring Rear Suspension Kit
1942-48 Ford Composite Leaf Spring Rear Suspension Kit

1942-48 Ford Composite Leaf Spring Rear Suspension Kit

1942 Ford, 46-48 Ford, Solid Axle Rear Suspension Type, Parallel Leaf Trailing Arm Style

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1942-48 Ford Composite Leaf Spring Rear Suspension Kit
1942-48 Ford Composite Leaf Spring Rear Suspension Kit
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Part # 91049942
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What's In The Kit
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

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Rear Suspension Type:
Solid Axle
Trailing Arm Style:
Parallel Leaf
Suspension Kit Type:
Suspension Height Adjustment:
Stock Height
Spring Type:
Leaf Spring
Shocks Included:
Axle Housing Included:
Material Type:
MFG. Part #:
Sold in Quantity:


Give your 1942-48 fat-fendered Ford state-of-the-art ride and handling with the Speedway composite leaf rear suspension kit. Composite springs are the new wave of performance spring material. They are lighter than steel, respond faster, last up to 5 times longer, and will not rust or corrode like traditional leaf springs. The monoleaf design also ensures noise- and friction-free performance, while providing the softest, smoothest ride imaginable.

Kits include a pair of springs, stainless steel mounting brackets, gas-charged shock absorbers, and hardware. Order optional bolt-on rear sway bar 91643500 for increased handling control.

  • Monoleaf design is free of interleaf friction & squeaks
  • Springs will not corrode and are paintable
  • Stainless brackets can be polished
  • Brackets add much needed reinforcement to rear of frame
  • Spring rates matched to application
  • Smooth ride
  • Gas charged shocks

Instructions (PDF)


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.
  • Mounting Brackets - Spring Kit
    Qty x 1
  • 41-48 Composite Leaf Spring
    Qty x 2
  • Speedway Universal Lower Leaf Spring Mount Plate
    Qty x 1
  • Speedway Weld-On Spring Pad for 3 Inch Axle Tube
    Qty x 1
  • Speedway Short Gas-Filled Tube Shocks, Black Painted
    Qty x 1
  • Leaf Spring U-Bolt for 3 Inch Axle Tube, 10 Inch Long
    Qty x 4
  • Hardware: 42-48 Comp Spring
    Qty x 1
  • Speedway 3 Inch Aluminum Extruded Leaf Spring Lowering Block
    Qty x 2

More Like This


Q & A

  • Speedway Motors and Classic Trucks teamed up to build a 1952 Chevy Truck in celebration of Speedway Motors’ 65th Anniversary. Jason and Tom take a few minutes to talk about the rear suspension the team used on the truck.
  • 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!

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