Rough Country 2.5-6 M1 Rear Shocks for 88-99 GMC C1500/K1500 2WD/4WD -770790_A Fits select: 1988-1999 CHEVROLET GMT-400, 1989-1999 GMC SIERRA

2-inch seamless extruded tube. 46mm digressive piston. Self-adjusting, deflective-disc independent rebound and compression.< 18mm centerless-ground, case-hardened, chromed, and super-polished rod. Backed by Rough Country's Limited Lifetime Replacement Warranty.