COMP Cams 01-445-8 - CamShaft, CBVI XM270HR-12

COMP Cams Xtreme Marine XM270HR-12 Camshaft for Gen VI Big Block Chevy Hydraulic Roller - Xtreme Marine: Good for inboard/outboard pleasure boats, has good idle. Hydraulic Roller - Xtreme Marine: Good for inboard/outboard pleasure boats, has good idle.; 270/276 Advertised Duration, 218/224 Duration .050", .510"/.510" Lift, 112 Lobe Separation; Adjustable valve train required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;