~(45 lbs. 31X17X8)~ Kit: 11-ON Chevy HD Front 2.5 Series R/R 4.9 in 0-1 in Lift

2.5" smooth bore zinc plated seamless steel body. Zinc-plated and double-clear coated for long lasting finish. 2.5" Smooth bore and honed seamless alloy reservoir. Black-anodized, CNC-machined 6061-T6 billet aluminum. 7/8" hard chrome plated heat-treated alloy steel. Race-developed high-flow piston design. Application specific valving to maximize performance. Redundant sealing pack system main seal, wiper seal, scraper seal. JM92 Advanced Suspension Fluid for improved performance at variable temperatures. PTFE-lined, heat-treated, alloy steel spherical. Limited one (1) year warranty on suspension products against defects in materials and workmanship to the original retail owner.