The Supertech Beehive Valve Spring Kit for Subaru WRX/STi 16V applications. This kit provides matched single beehive valve springs specified for the 16-valve WRX/STi engine, offering the distinct beehive spring geometry for that Subaru configuration. It is presented as the single-spring, engine-specific option for the named models.
Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit