The Brian Crower single valve spring is specified for Toyota 2ZZ-FE engines and is offered as a direct replacement spring for that cylinder head and valve train. This valve spring is intended to match the 2ZZ-FE's requirements and should be used with compatible retainers and valve components. Confirm fitment and installation procedures to ensure proper valvetrain function for your engine build.
Brian Crower Toyota 2ZZFE Single Valve Spring