The front full-size core features 17 cooling tubes

and they have proven to be a top performer in both street and racing BMW S38 engines

Communicates directly with the factory ECU

The BMW M42 engine

while still retaining the vital lubrication necessary for both the running-in period and high RPM use

GSC Power-Division Valve Spring Kit, BMW / Toyota B58 SC7425 The front full-size core featuresThe GSC Power Division Beehive Valve Spring Kit with Ti Retainer for the BMW and Toyota B58 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