Manufacturer's Part Number: 20-717-9 Part Type: Camshafts Product Line: COMP Cams Drag Race Camshafts Summit Racing Part Number: CCA-20-717-9 UPC: 036584081753 Cam Style: Mechanical roller tappet Basic Operating RPM Range: 4,800-7,800 Intake Duration at 050 inch Lift: 275 Exhaust Duration at 050 inch Lift: 284 Duration at 050 inch Lift: 275 int./284 exh. Advertised Intake Duration: 308 Advertised Exhaust Duration: 317 Advertised Duration: 308 int./317 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.658 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.661 in. Valve Lift with Factory Rocker Arm Ratio: 0.658 int./0.661 exh. Lobe Separation (degrees): 108 Intake Valve Lash: 0.026 in. Exhaust Valve Lash: 0.028 in. Computer-Controlled Compatible: Yes Grind Number: RX308R-8 Price at Summit is $350. Buy this lightly used cam for $240 shipped to lower 48 states. I will ship internationally for the additional cost.