Best maximum HP for LS3 drag race applications. Requires aftermarket pistons with valve reliefs. Drag race power & street durability. 7500 RPM stability w/ CK and MK Kits. For Stage 2 LST Cam for Manual LS3 Corvette/Camaro w/ Aftermarket Pistons. Cam Type: Hydraulic Roller. Basic Operating RPM Range: 3,500-7,500. Intake Duration at .050 Inch Lift: 251. Exhaust Duration at .050 inch Lift: 266. Advertised Intake Duration: 306. Advertised Exhaust Duration: 315. Lobe Separation: 113. Intake Valve Lift: 0.663. Exhaust Valve Lift: 0.655. Lifters Included: No. Valve Springs Required: Yes. Assembly Lubricant Included: No. Camshaft Gear Attachment: 3-Bolt. Camshaft Material: Billet Steel. Lifter Style: Hydraulic Roller.