Fits Chevy/GMC 2500HD/3500HD (20-24) Air Spring Kit; 7 Inch Lift Kit; 100347 downpipes 4 V8 1977 - 1978

4 V8 1977 - 1978 GMC C15 Suburban 305/5 V8 1979 - 1981 GMC C1500 Suburban 305/5 V8 1979 - 1981 GMC C1500 Suburban 350/5

6" Emission Code 5 Input Spline 30 Lock Up/Overdrive No Product Type Automatic Transmission Torque Converter Series Full Race Stall 3200-3600 Transmission TH400 Use with Power Adder Yes Use with Trans-Brake Yes Warning California Proposition 65

0L V8 1975 - 1976 Ford Gran Torino Base 400/6

5 V8 1969 - 1977 Pontiac LeMans Safari 400/6

Fits Chevy/GMC 2500HD/3500HD (20-24) Air Spring Kit; 7 Inch Lift Kit; 100347 downpipes 4 V8 1977 - 1978Air Spring Kit 7 Inch Lift Kit Chevy GMC 2500HD 3500HD (20 23) Is your truck your workhorse? The main attraction to the pick up line is the accessibility to haul and tow as desired. However, due to the amount of weight in the bed, or the condition of the vehicle's rear leaf springs, this can cause the vehicle to be un level when under load. Here at Rough Country, we created an innovative new product to ensure that these are troubles of the past.