SHOCK PISTON 35MM LARGE BODY LINEAR

The SHOCK PISTON 35MM LARGE BODY LINEAR from QA1 is a precision replacement component engineered for serious suspension builders and performance mechanics who demand OEM-level reliability and consistency. This shock piston serves as the critical internal valve directing fluid flow through your shock absorber's main chamber, controlling damping characteristics and ride quality across the entire compression and rebound cycle. Whether you're rebuilding a factory twin-tube shock or upgrading a performance suspension setup, this 35mm piston ensures smooth, predictable damping behavior that translates directly to handling improvements and extended shock longevity.

Manufactured from aluminum and finished with gray anodizing for corrosion resistance, the SHOCK PISTON 35MM LARGE BODY LINEAR is designed specifically for QA1's 5Q, 51, 53, 6Q, 60, and 62 series twin-tube shocks—the gold standard in independent suspension circles. The linear damping profile provides consistent velocity-dependent resistance without the complexity of digressive valving, making tuning predictable and rebuild procedures straightforward. At just 0.1 lbs with compact dimensions of 4.25 x 0.1 x 6.75 inches, this piston maintains rigorous tolerances that prevent internal leakage while maximizing flow efficiency during dynamic suspension events. The anodized aluminum construction resists the corrosive effects of hydraulic fluid exposure over extended service life, critical for shocks seeing regular track duty or aggressive street use.

Technicians rebuilding QA1 performance shocks—whether for vintage muscle cars, modern track cars, or off-road vehicles—recognize this piston as essential maintenance wear. Worn or damaged pistons introduce valving inconsistencies that compromise suspension response and create excessive heat generation in the shock fluid. Installation requires a complete shock disassembly and professional-grade tools; this piston is sold individually, so verify your shock series and count required units before ordering. For suspension systems demanding factory-grade internal components, the SHOCK PISTON 35MM LARGE BODY LINEAR delivers the precision and durability that separates competent rebuilds from race-quality results.