Crower 72004 - Crower Camshaft Bushings

Using Crower camshaft bushings is the easy way to "tune" your camshaft timing. You'll receive five advance or retard bushings that are individually stamped to display amounts advance/retard in cam degrees (0°, 1°, 2°, 3°, 4°). Features a shouldered lip that retains the bushing and eliminates fallout.