The Supertech Beehive Valve Spring Kit for Subaru WRX/STi 16V applications. This kit supplies matched single beehive valve springs tailored to the 16-valve WRX/STi engine configuration, providing the spring hardware specified for those Subaru models. It is offered as the single-beehive spring solution for that application.
Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit