Our camshaft is a COMP piece, and was designed to be a solid-roller design. We'll be teaming it with Crane's hydraulic roller lifter for the 460, after researching the compatibility with both manufacturers. The hydraulic roller profiles Crane offers for the 460 weren't radical enough to push us into the 600hp zone, and COMP doesn't offer a hydraulic roller lifter for the 460 at this time, so we worked with both of them to get what we wanted. Our cam specs are .672 lift on the intake and .679-inch lift on the exhaust side when teamed with 1.73:1 rockers. Duration numbers at .050-inch lift check in at 254 degrees on the intake and 260 degrees on the exhaust with 110 degrees of lobe separation. The cam carries PN 34-000-9.