Lift 0.469 Camshaft Comp Cams 08-460-8 SBC Magnum Hydraulic Roller Camshaft 304HR · Winners Circle High Energy 268H Cam Slightly rough idle in 400, smooth to noticeable idle in 455., 1,200 5,200 RPM Operating Range , 218/218 Duration at ., 050. COMP Cams K11-693-8 Magnum Solid Roller Camshaft Kit, Chevy 396/454 110 Degree Lobe Separation Angle., 0., 469/0., 469 Valve Lift Product Information. K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set... 530 Guide Size, 3/8 Valve Stem Butler/Comp Custom Cam & Lifter Master Kit Pontiac Xtreme Energy XE268H 268/280, 224/230, .477/.480, 110 Hyd BPI K51 223 4 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.