Product Description:
Camshaft, TPIS SBC Hydraulic Flat Tappet, .454/.454, 276/286, 112 LSA, SBC up to 1986.
TPIS' famous Torque Secrets cam. .221/.231 duration and .470" valve lift. Good for 350-383cid TPI engines with stock heads. Use 1.6 rockers for ported or aftermarket heads. Note: Flat tappet cams needs zinc in the oil, especially during break-in. Use a zinc additive or oil with zinc in it such as Joe Gibbs or Mobile1 racing oil for valvetrain longevity.
TPIS' famous Torque Secrets cam. .221/.231 duration and .470" valve lift. Good for 350-383cid TPI engines with stock heads. Use 1.6 rockers for ported or aftermarket heads. Note: Flat tappet cams needs zinc in the oil, especially during break-in. Use a zinc additive or oil with zinc in it such as Joe Gibbs or Mobile1 racing oil for valvetrain longevity.
