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Product Summary

Buick, Chevy, GMC, Oldsmobile, Pontiac, Rear Position

  • These rear coil springs are desgined to lower your car or truck while still maintaining a proper spring rate to keep your suspension from bottoming out
  • 4" drop for 1960 to 1972 Chevy and GMC trucks
  • 2" drop for 1967 to 1972 GM A body cars such as Chevelle
  • 300 pound spring rate works well for light duty truck applications but may not be suited for towing , Panel trucks, or Suburbans
  • Direct bolt in replacement spring makes this the simple way to drop your ride

Key Specs

PositionRear
Spring Rate Range300 - 399 lbs.
Spring Rate300 lbs.
Free Height10.5"
Outside Diameter7"

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Speedway Motors 91006034 Details

These rear coils are desgined to lower your truck, while still maintaining a proper spring rate to keep your suspension from bottoming out. They work great on six-cylinder and V8 trucks, but may not be suited for panels, Suburban or heavy duty towing applications.

The manufacturer says that this spring has the same "rate" as the stock spring, app. 300 lbs.

Note: The drop rate is different on the A-Body cars than it is on the trucks. There is a 4" drop in the truck and 2" drop on the small block A bodies.

Application:

  • 1967-1972 GM A-Body Cars
  • 1960-1972 Chevy Trucks
  • 1967-1972 Chevelle

Speedway Motors 91006034 Specifications

KEY SPECS
MFG. Part #91006034
BrandSpeedway Motors
PositionRear
Spring Rate Range300 - 399 lbs.
Spring Rate300 lbs.
Free Height10.5"
Outside Diameter7"
Rear Suspension Height4.0 Inch Lowered
Material TypeSteel
FinishPowder Coated
ColorBlack
Progressive Rate SpringNo
Coil Spring End (A)Pigtail
Coil Spring End (B)Pigtail
GENERAL
Speedway Motors Catalog Part #910-06034
Wire Diameter0.6"
Sold in QuantityPair