4 inch GM Suspension Lift Kit - 1973-1991 3-4 Ton Suburban 4WD-K448

SuperLift 4″ Lift Kit for 1973-1991 Chevy/GMC 3/4 Ton Suburban 4WD

$419.95

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SKU: K448 Category: Brands: .

Product Description

SuperLift 4″ Lift Kit for 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 Chevy/GMC 3/4 Ton Suburban 4WD

Part: K448

  • Superide front leaf springs
  • Durable Urethane spring eye bushings
  • Raised steering arm or drop drag link available
  • Superlift Superide shock absorbers included
  • Lifetime Warranty
  • Satisfaction Guarantee

Tire and Wheel Info

33×12.50 tire on standard offset wheel

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 Notes

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

Optional extended length brake hoses recommended.

Rear brake hose included in kit box.

Brake line / hose relocating hardware included in kit box.


Installation Instructions


Product Overview

Superlift Superide 4″ leaf springs feature tapered leaves, bolt-style spring clips and Teflon inserts between each leaf to ensure a quiet and smooth ride. Durable Poly spring bushings, replacement front U-bolts, brake hose relocation brackets and a rear block and u-bolt kit complete the lift. The kit is packaged complete with Superlift Superide shocks.

Options include single and dual steering stabilizers, and a 4” raised steering arm or 4” drop drag link.

NOTE: If the vehicle is factory-equipped with auxiliary (dual) front shocks also order quantity two, part number 85140 Superide shocks.

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


Fitment Table

Year RangeMakeModelDrivetrainEngineCab
1973-1991Chevy/GMC3/4-ton Suburban4WD

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