(SKU: 256.20) 4IN GM SUSPENSION LIFT SYSTEM (56IN REAR SPRINGS)

OVERVIEW FEATURES Increased ground clearance Includes application valved N2.0 series shock absorbers which offer the best in balanced performance for on and off-road use. NOTES  - IMPORTANT ONLY fits models with 56" rear leaf springs. If vehicle is equipped with a front sway-bar, drop brackets are recommended. (SKU: 1019) If vehicle is equipped with factory front quad shocks (4 total front shocks), please add Factory Quad Shock kit below (SKU: Q20027). SKU 256.20 Est. Install Time 6 - 8 hours VEHICLE FITMENT YEARS DRIVE MAKE MODEL 1977-1987 4WD Chevrolet 1/2-Ton Pickup 1977-1991 4WD Chevrolet Blazer 1977-1991 4WD Chevrolet 1/2-Ton Suburban 1977-1987 4WD GMC 1/2-Ton Pickup 1977-1991 4WD GMC Jimmy 1977-1991 4WD GMC 1/2-Ton Suburban ALWAYS read all product page details for more important fitment information RECOMMENDED TIRES & WHEELS TIRE WHEEL BACKSPACING OFFSET 35x12.50 R15 15x8 4.5in - Du