Product Information Cam and lifter kit for Pontiac engines; CL-Kit includes cam, lifters, assembly lube, instructions and decals; Hydraulic - Xtreme Energy: High performance street, very strong mid-range, headers and 2200+ stall.; 274/286 Advertised Duration, 230/236 Duration .050", .488"/.491" Lift, 110 Lobe Separation; Valve spring upgrade required
