Ever since 1955 KONI have held a prominent position in the world of motorsport. Over the years many championships and victories in F1, IndyCar, Champcar, IRL, F3, GP2, WTCC and other Touringcar and Single-seaters, proof the success and confidence teams have in KONI. KONI Oval Track Shocks work on dirt to asphalt KONI racing engineers have developed a shock system that takes away the excess baggage normally associated with suspension set-up. With one of KONI's 4PA shocks at each corner of your car there are 256 shock settings to solve any "loose" or "push" conditions. All through the manufacturing process the evidence of quality is found: produced from the finest materials, surfaces machined to the narrowest tolerances, strict quality-control standards incorporated in all production steps and a 100% dyno-test at the end of the production line. KONI adjustable shocks have dominated professional and sportsman drag racing since 1969. KONI's unique adjustment feature allows racers to tune their suspension for specific tracks and conditions. KONI offers the KONI SPA1 drag shock for your application. KONI 8212 SPA1 Double Adjustable shocks are aluminum, externally double-adjustable, coil-over damper. Bump and rebound damping can be adjusted independently without removing the damper from the car and accept 2.25" I.D. springs. These dampers are fully rebuildable and the valving can be adapted to a wide range of applications. These Koni coil-over aluminum shocks have extruded aluminum bodies and components, making each shock 26 oz. lighter than its steel equivalent. KONI 8216 SPA1 Single Adjustable shocks are aluminum, externally rebound adjustable, coil-over damper. These Koni coil-over aluminum shocks have extruded aluminum bodies and components, making each shock 26 oz. lighter than its steel equivalent. The aluminum shocks are also externally adjustable, allowing you to tune them without pulling them off of the car.