Body Plating: Zinc-plated for long lasting finish. External Reservoir: 2.5 Smooth bore and honed seamless alloy reservoir. Components: Black-anodized, CNC-machined 6061-T6 billet aluminum. Spring: Application specific, adjustable 3.0 Eibach racing springs. Shaft: 7/8 hard chrome plated heat-treated alloy steel.
Piston: Race-developed high-flow piston design. Valving: Application specific valving to maximize performance. Seals: Redundant sealing pack system main seal, wiper seal, scraper seal.Oil: JM92 Advanced Suspension Fluid for improved performance at variable temperatures. Bearing: PTFE-lined, heat-treated, alloy steel spherical. Mounting: Direct replacement for stock and aftermarket lifts kits. Extended Length (inches): 28.38. Collapsed Length (inches): 17.41.