Title: Rear Shock Extender for Lowered Drop Trucks Applications: 1973-1987 For Chevrolet Silverado C10 1973-1987 For Chevrolet K5 Blazer 1973-1987 For GMC C10 Sierra C15 1973-1987 For GMC Jimmy 1975-1986 For Chevrolet C10 1982-1987 For Chevrolet C15 1975-1978 For GMC C15 1979-1986 For GMC C1500 2WD ONLY Note: some shocks may require washers to fill the gap when tightening Description: Factory Quality At A Reasonabale Price Designed For Reliable And Long-Term Service Direct Fit Replacement – No Modifications Required For Installation .