Detroit Speed

Detroit Speed Anti-Squat Kit

1967-1972 Chevrolet C10 with Truck Arms and Rear Coil Springs - Adjustable Chassis Brackets and Angled Lowering Blocks

Part # 040119DS

Detroit Speed Anti-Squat Kit

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The Detroit Speed anti-squat kit provides instant center and pinion angle adjustment on the rear suspension of 1967-1972 GM C10 trucks (fits factory rear suspension with truck arms and coil springs). The front truck arm relocation brackets provide four pivot point options to adjust the instant center & tune anti-squat for improved traction and acceleration exiting corners. Pinion angle/lowering spacers provide ride height and pinion angle adjustability. The slotted design of the pinon spacers allows for easy installation. 100% bolt-on installation.


  • Truck arm relocation brackets feature four mounting locations to adjust instant center for improved traction and acceleration
  • Fits 1967-1972 C10 trucks that came from the factory with truck arms and coil spring rear suspension
  • Includes four 1-degree angled pinion spacers and two flat spacers, hard black anodized for corrosion resistance
  • Pinion angle adjustment range: +2 degrees to -2 degrees
  • 1/2-inch lowering per spacer, combine for a range of 1/2-inch to 1-1/2-inch
  • Electroplated U-bolts and hardware included – for corrosion protection
  • 100% Bolt-on product
  • Use with factory truck arms
Application1967-1972 C10
Brand Detroit Speed
Emission Code6
Product TypeAnti-Squat Kit
Part Number040119DS
Fits 1967-1972 C10 with factory truck arms and coil spring rear suspension only. This Anti-Squat Kit also fits some 1967-1972 GMC C15 trucks, but only if it had the optional factory truck arm and coil spring rear suspension. 100% Bolt-on product. Use with factory truck arms.

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