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Bolt-In 1947-54 1/2Ton Chevy Truck Triangulated Four Bar Rear Susp Kit
Bolt-In 1947-54 1/2Ton Chevy Truck Triangulated Four Bar Rear Susp Kit

Bolt-In 1947-54 1/2Ton Chevy Truck Triangulated Four Bar Rear Susp Kit

47-54 GMC, 47-54 Chevy, Solid Axle Rear Suspension Type, Triangulated 4-Link Trailing Arm Style

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Bolt-In 1947-54 1/2Ton Chevy Truck Triangulated Four Bar Rear Susp Kit
Bolt-In 1947-54 1/2Ton Chevy Truck Triangulated Four Bar Rear Susp Kit
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We estimate this item will ship on or before September 26th.
Part # 91004754
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Rear Suspension Type:
Solid Axle
Trailing Arm Style:
Triangulated 4-Link
Suspension Kit Type:
Suspension Height Adjustment:
Stock Height
Spring Type:
Spring Rate:
250 lbs.
Shocks Included:
Axle Housing Included:
Material Type:
MFG. Part #:
Sold in Quantity:


Build a firm foundation for your vintage 1/2 ton Chevy pickup without picking up a welder! This innovative line of chassis components from Speedway Motors allows the do-it-yourself rodder to assemble a complete '47-'54 Chevy pickup frame 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 Chevy.  

  • for 1/2 ton chassis
  • 60" wide 9” rearend housing with welded suspension brackets
  • Chromoly four bars with urethane bushings
  • Bolt-on frame brackets and shock crossmember
  • 11” steel-bodied coil-over shocks
  • Kit will locate rear axle centerline in the original factory housing center line, and as such, it retains the original wheel base and the tire/wheel will not be centered in the fender opening as they will be located in the original factory location.

910-04754 Instructions (PDF)

Parts List (PDF)

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.  When installing into a 1954 frame, due to the slight differences in the 1947-53 and 1954 frame, additional installation modifications will be required for the install into the 1954 frame at the shock crossmember area with regards to the width.  Please note that this is applicable only to the 1/2 ton chassis application and will not fit the 3/4 ton chassis applications.

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.
  • 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
  • 1947-54 4-Link 9 Inch Housing with Brackets
    Qty x 1
  • 1947-54 4-Link Chassis Bracket, Left
    Qty x 1
  • 1947-54 4-Link Chassis Bracket, Right
    Qty x 1
  • Upper Link 4-Bar, '47-'54
    Qty x 2
  • Lower Link 4-Bar, '47-'54
    Qty x 2
  • Hardware Kit 4-Bar, '47-'54
    Qty x 1
  • Shock Mount Crossmember
    Qty x 1
  • Front Lower Left Bracket 4-Link
    Qty x 1
  • Front Lower Right Bracket 4-Link
    Qty x 1

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!
  • Speedway Motors and Classic Trucks joined teams to build a 1952 Chevy truck for the newest Week to Wicked build. Jason and Tom talk about the Speedway Motors Mustang II front suspension kit used on the build.

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