8" Lift Kit (w/ 52" Rr Springs) - 73-91 GM 3/4 Ton 4WD - Rr Spring Kit w/ SL Shocks

8in Chevy/GMC Lift Kit | Rear Spring Kit Gallery

8in Chevy/GMC Lift Kit | Rear Spring Kit w/ 52" Rear Springs

Starting At*: $1,173
#K445
Price*: $1,172.55
Please allow 3-5 business days for this item to be shipped.
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FREE Shipping on ALL ORDERS!*
*within the contiguous US; ground shipments only.

Your Selected Product Fits These Vehicles

  • 1975-1986 Chevrolet K20
  • 1973-1974 Chevrolet K20 Pickup
  • 1973-1986 Chevrolet K20 Suburban
  • 1989-1991 Chevrolet V2500 Suburban
  • 1975-1978 GMC K25
  • 1975-1978 GMC K25 Suburban
  • 1973-1974 GMC K25/K2500 Pickup
  • 1973-1974 GMC K25/K2500 Suburban
  • 1979-1986 GMC K2500
  • 1979-1986 GMC K2500 Suburban
  • 1987-1991 GMC V2500 Suburban
  • This is a complete Superlift leaf spring suspension lift kit for the 1973-1991 Chevy/GMC solid axle 3/4 ton Pickup 4WD
  • Provides 8” lift height
  • Includes rear springs, front and rear Superlift shocks
What does it include?
  • Front and rear leaf springs, shocks, raised steering arm, adjustable drag link, and all hardware required specific to the 1973-1991 4WD Chevrolet/GMC ¾ Ton Solid Axle Vehicles
  • Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation

Superlift's complete Superlift leaf spring suspension lift kit provides 8” lift height.

Features:

  • Heavy Duty Front leaf springs
  • Durable Urethane spring eye bushings
  • Degree shim installed on the front springs to help driveline angle
  • Rear lift options include add-a-leaf and block or full replacement rear spring
  • Raised steering arm and drop drag link included
  • Sway bar drop brackets included
  • Front driveshaft spacer available
  • Superlift shock absorbers included



Tire Wheel Backspacing Offset
37x12.5 - 3.75-4 -

 

IMPORTANT DISCLAIMER: The provided tire/wheel fitments are approximate. Actual dimensions of a given tire size can vary considerably from one brand to another. Manufacturers' wheel offset and backspacing measurement points are not always consistent. Backspacing greatly impacts tire-to-fender clearance when turning. Wheel width and backspacing influence whether the tires protrude past the fenders, and to what extent. Considering these important factors, we recommend that you fit-check your tire/wheel selection prior to purchasing.

  • Installation time: 2 hours
  • Difficulty level: 2 of 5

Additional Info

1977.5-91 models require clearance (machining) of the front driveshaft CV cluster to prevent binding. If the vehicle has a single exhaust, the cross-over pipe requires modification to clear front driveshaft.

Optional extended length brake hoses recommended.

Brake line/hose relocating hardware included in kit box. Both driveshafts need to be lengthened.

This is a SwampRunner Series lift system that is intended primarily for off-road or exhibition use. Reference the "Important Product Use" section of the Warranty for additional safety-related information.

Vehicles with 56" long rear spring can use spring if shackle hanger is relocated on frame for 52" long application.


NOTE: If the vehicle is factory-equipped with auxiliary (dual) front shocks also order quantity two, part number 85150 Superide shocks.

NOTE: 88-91 Blazer/Jimmy and Suburban models require additional part number 315-88 bushing sleeve kit.

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