Rancho 77-86 Chevrolet Pickup / K30 1 Ton - 4WD Rear RS5000X Shock1977 1986 Chevrolet K30 (Rear) (Qualifier: with Rear Raised Height 2. 5 (in) to 4. 0 (in)); 1987 1988 Chevrolet V30 (Rear) (Qualifier: with Rear Raised Height 2. 5 (in) to 4. 0 (in)); 1989 1991 Chevrolet V3500 (Rear) (Qualifier: with Rear Raised Height 2. 5 (in) to 4. 0 (in)); 1979 1986 GMC K3500 (Rear) (Qualifier: with Rear Raised Height 2. 5 (in) to 4. 0 (in)); 1987 1991 GMC V3500 (Rear) (Qualifier: with Rear Raised Height 2. 5 (in) to 4. 0 (in));