Competition Cams 146-426-11 GM LS XFI CAM - Lift:... Duration:... Lobe Separation Angle:... RPM Range: 1800-6800 Great street/strip camshaft for mid-range and high rpm power. Must have programmer.Operating Range:1800-6800 RPMDuration Advertised:275&deg; Intake / 287&deg; ExhaustDuration @ .050'' Lift:222&deg; Intake / 234&deg; ExhaustValve Lift:.566'' Intake / .576'' ExhaustLobe Separation...