Sifton WR/KR Cam Lobe Set

Sifton WR/KR camshaft lobe set includes four lobes. Camshaft cores are not included. For 45 side valve models. Set is for roller tappets. To be installed on original cams WL type. Must remove old cam lobe and degree in to correct position then weld into place. Set is for use with 45 Flathead engines only and will not work on 74 and 80 UL engines. Intakes are .415 lift 300° duration. Exhausts are .400 lift 275° duration. *NOTE: These are hi-lift full race. Sold as a set of 4. 1937-1952 W 1936-1973 G