COMP Cams 01-417-8 - CamShaft, CBVI XR276HR-13

COMP Cams Xtreme Energy Computer Controlled XR277HR-13 Camshaft for Gen VI Big Block Chevy Hydraulic Roller - Xtreme Energy Computer Controlled: Great in performance applications with custom tuning and 2200+ stall. Hydraulic Roller - Xtreme Energy Computer Controlled: Great in performance applications with custom tuning and 2200+ stall. ; 276/282 Advertised Duration, 224/230 Duration .050", .510"/.510" Lift, 113 Lobe Separation; Adjustable valve train required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;