Supertech Spring / Retainer Kits kits Stage 3 - Full Race

Stage 3 - Full Race - Drag Race and radical Street/Strip

With three throttle body options

Most organic discs provided in our assemblies include steel-backed lining to enhance the structural integrity of the material which is complemented by the highest quality hub assemblies available to ensure durability and driveability

Maximize your vehicle's handling

Supertech Spring / Retainer Kits kits Stage 3 - Full RaceSupertech Spring Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring Retainer kits are second to none in terms of performance, quality and value.