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