carburetor and fuel accessories chrome-plated accessories cooling system accessories ... designed to insure maximum accuracy in camshaft installations easy to read universal to ... and designed to read the same as the camshaft spec card precision degreed for ... ford engines part no 6120 crankshaft cam keys standard offset the offset cam ... select it can be used to advance the cam for increased low end torque and mid- ... top-end horsepower by retarding the cam application part no chevy sb 283-400 ... 988g pontiac 389-400 silver 2° offset cam key 987g pontiac 389-400 copper 4° ... offset cam key 988g chrysler 354-392 silver 2° ... offset cam key 987g chrysler 354-392 copper 4° ... offset cam key 988g oil deflecting rocker arm ... 1015 chevy ford pontiac advance retard cam bushings a popular easy way to advance ...