MENU
Banner 1Banner 2Banner 3Banner 4Banner 5Banner 6

PSi is based in the Motorsports Industrial Park at Sonoma Raceway, (Sears Point) in Sonoma, California. We specialize in Sales & Service of Racing Shock Absorbers, Springs, Sway Bars & Goodridge Hoses & Fittings & Clutches. Performance Shock, inc is your premier Factory Authorized Sales and Service Agency for all Ohlins, Koni, Penske, AST/Moton, Bilstein Racing, JRZ shocks & ZF-Sachs Clutches.
Download Service Request Form Here