COMP Cams 51-223-4 - CamShaft, P8 XE268H-10

COMP Cams Xtreme Energy XE268H-10 Camshaft for Pontiac V8 Hydraulic - Xtreme Energy: Good for street machines, slightly rough idle. 2000+ stall. Hydraulic - Xtreme Energy: Good for street machines, slightly rough idle. 2000+ stall.; 268/280 Advertised Duration, 224/230 Duration .050", .477"/.480" Lift, 110 Lobe Separation; Valve spring upgrade required