Camshaft Drag Race Camshaft Drag Race Camshaft; Mech. Flat Tappet; 3500-6500rpm; Adv. Dur. 294 Int./304 Exh.; Valve Lift .589 Int./.615 Exh.; Lobe Angle 108 deg.; SPECIFICATIONS: Usage: Strip Engine Make/Size: Ford 429-460 Lifter Type: Mechanical Flat Tappet RPM Range: 3500-6500 Exhaust Valve Lift (in.): 0.615 Exh. Duration @ .050 in. (Deg): 266 Exh. Duration Advertised (Deg): 304-1 Intake Valve Lift (in.): 0.589 Int. Duration @ .050 in. (Deg): 256 Int. Duration Advertised (Deg): 294-1 FEATURES: Drag Race Xtreme RX Camshaft 1 Year Limited Warranty All Comp Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality. COMP Cams manufactures truly superior hydraulic and solid flat tappet, hyd and mechanical roller, and overhead camshafts for everything from OE replacement to full race, designed and manufactured using cutting-edge technology and the finest engineering in the industry. Whether your engine is naturally aspirated, or you run nitrous, or a supercharger or turbo, our cams make more horsepower than any other. Looking for that ultimate hard-hitting muscle car idle? Check out our aggressive new Thumpr Cams. Match our camshafts up with our competition-grade lifters, valve springs, timing sets, and other supporting components, and you'll experience the ultimate in race-winning reliability!