Performance Shock, inc is your premier Factory Authorized Sales and Service Agency for all Ohlins, Koni, Penske, AST/Moton, Bilstein, TracTive, JRZ shocks & ZF-Sachs Clutches.

Copyright © 2025 Performance Shock, Inc.Koni Racing, Ohlins Racing, Bilstein Shocks, Eibach Springs, Moton, Penske Racing Shocks, ZF Sachs, Hyperco, AST, JRZ.

Performance Shock, inc have been based at the Motorsports Industrial Park at Sonoma Raceway, (Sears Point) in Sonoma, California since 2006. We specialize in Sales & Service of High …

You may also visit our Shop at Sonoma Raceway to drop off shocks for service or discuss your suspension requirements. We are open Monday to Friday, 8.00am to 5.00pm & Saturdays buy …

We are Officially Authorized and Certified by all of the top manufacturers (listed below) to sell, repair, modify, rebuild and re-valve their shocks to factory specifications and requirements …

We can repair, modify, rebuild, revalve, and custom build all Koni race, street and electric drag shocks. All dampers are tested and calibrated with our state of the art Roehrig shock absorber …

The low amount of hysteresis results in excellent short stroke/high force performance. The Ohlins TTX range of shocks require very low gas pressure which considerably improves grip without …

Ohlins TTX25 Formula SAE shock (FSAE). This year the Öhlins TTX 25 FSAE, the Formula SAE version of the Cane Creek Double Barrel damper has been further updated and optimized for …

Home / Shock Absorbers / Koni / Koni Circuit / 8610 1437RACE Single Adjustable Strut Insert

Performance Shock, Inc is the premier racing shock absorber sales & service center in North America. We are Certified by Koni to sell, repair, modify, rebuild and re-valve their shocks to …