and S52 Single VANOS engines

NOTE: Lift pump mounting information for the newer FCST-X (20-199X-XX) can be found towards the bottom of this page

0L 76mm 109mm 49 0

The Subaru EJ engine is a series of four-stroke

SuperTech has long been a trusted brand among engine builders

GSC Power-Division Valve Spring Kit, BMW S58 MLX and S52 Single VANOS enginesThe GSC Power Division Beehive Valve Spring Kit with Ti Retainer for the BMW S58 includes 24 titanium retainers (12 Intake and 12 Exhaust) and 24 beehive valve springs. The GSC beehive spring utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a