221/231 @ .050 Hyd. Flat Tappet Cam SBC TORQUE SECRETS (EST. SHIP TIME 8-10 WEEKS)
Our famous Torque Secrets cam. 221/231 duration and .470" valve lift ground on a 112deg. lobe seperation. Good for 350-383cid TPI engines with stock heads. Use 1.6 rockers for ported or aftermarket heads. Fits SBC Engines equipped with Flat Tappet Cams. Note: Flat tappet cams need special additive packages in the oil used with them, especially during break-in. Oil such as Joe Gibbs/Driven or AmsOil "Hot Rod" Oil works excellent.