Cams - HP103Caracteristicas: Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely fit stock chain drive Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam lifts are possible with the gear drive kit Kits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructions Material must be removed from the inner