COMP Cams 01-461-8 - CamShaft, CBVI XM308HR-12

COMP Cams Xtreme Marine XM308HR-12 Camshaft for Gen VI Big Block Chevy Hydraulic Roller - Xtreme Marine: Good for jet boat with B impeller, 10:1+ compression, running river drags or bracket racing. Hydraulic Roller - Xtreme Marine: Good for jet boat with B impeller, 10:1+ compression, running river drags or bracket racing.; 308/314 Advertised Duration, 254/260 Duration .050", .575"/.575" Lift, 112 Lobe Separation; Adjustable valve train required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;