Product Overview:- These Energy Suspension Shock Bushings Will Give Any Shock Maximum Efficiency While Extending Its Life. They Are Made Of Polyurethane And Are Available In Red Or Black. These Shock Bushings Last Forever And Add To The Performance Of Every Shock, Giving Instant Response And Control To The Suspension. Product Info:- Energy Suspension 88-98 Gm Silverado 1/2 Ton C-10/C1500 P/U 2Wd Black Rear Shock Bushing Set- Shock Bushing Set; Black; Rear; Must Reuse All Metal Hardware; Performance Polyurethane;- Shock Absorber Bushing- ShkabsrbrbshManufacturer Part Number:- 9.8138GVehicle Fitment For:- 1989| Compatible With Gmc |R2500|Base Crew Cab Pickup 4-Door- 1989| Compatible With Gmc |R2500|High Sierra Crew Cab Pickup 4-Door- 1989| Compatible With Gmc |R2500|Sierra Classic Crew Cab Pickup 4-Door- 1988| Compatible With Gmc |R2500|Base Crew Cab Pickup 4-Door- 1988| Compatible With Gmc |R2500|High Sierra Crew Cab Pickup 4-Door- 1988| Compatible With Gmc |R2500|Sierra Classic Crew Cab Pickup 4-Door- 1997| Compatible With Gmc |C3500|Sierra Sl Cab & Chassis 2-Door- 1997| Compatible With Gmc |C3500|Sierra Sle Cab & Chassis 2-Door- 1997| Compatible With Gmc |C3500|Sierra Slt Cab & Chassis 2-Door- 1991| Compatible With Gmc |C3500|Sierra Cab & Chassis 2-Door- 1991| Compatible With Gmc |C3500|Sierra Sle Cab & Chassis 2-Door- 1991| Compatible With Gmc |C3500|Sierra Slx Cab & Chassis 2-Door- 1990| Compatible With Gmc |C3500|Sierra Cab & Chassis 2-Door- 1990| Compatible With Gmc |C3500|Sierra Sle Cab & Chassis 2-Door- 1990| Compatible With Gmc |C3500|Sierra Slx Cab & Chassis 2-Door- 1989| Compatible With Gmc |C3500|Sierra Cab & Chassis 2-Door- 1989| Compatible With Gmc |C3500|Sierra Sle Cab & Chassis 2-Door- 1989| Compatible With Gmc |C3500|Sierra Slx Cab & Chassis 2-Door