Superlift 73-91 Chevy K20 4WD (w/ 52in Rear Springs) 8in Lift Kit Rear Spring Kit w/ SLF Shocks

$2,244.25 CAD

Superlift SKU: slfK445

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K445

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.

    DOWNLOAD INSTALL GUIDE
    • 1975-1986 Chevrolet K20 With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1973-1974 Chevrolet K20 Pickup With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1973-1986 Chevrolet K20 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1987 Chevrolet V20 With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1987-1988 Chevrolet V20 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1989-1991 Chevrolet V2500 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1975-1978 GMC K25 With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1973-1974 GMC K25/K2500 Pickup With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1973-1974 GMC K25/K2500 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1979-1986 GMC K2500 With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1981-1986 GMC K2500 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1987 GMC V2500 With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD
    • 1987-1991 GMC V2500 Suburban With Solid Axle 8 in. Suspension Lift Kit With 52 in. Rear Springs 4WD

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