
This Brian Crower single valve spring and titanium retainer kit is specified for Subaru EJ205 WRX and EJ257 STi engines. The matched spring and lightweight titanium retainer set replaces stock components to restore secure valve keeper engagement and valvetrain function. It is intended as a direct-fit replacement for the listed Subaru applications where the part family and keeper configuration match.
Brian Crower Subaru EJ205-WRX/EJ257-STi Single Spring & Titanium Retainer Kit