COMP Cams 08-416-8 - CamShaft, CS XM 264HR-12

COMP Cams Xtreme Marine XM 264HR-12 Camshaft for Small Block Chevrolet Engines Originally Equipped with Hydraulic Roller Cams Hydraulic Roller - Xtreme Marine: Good for pleasure use and economy, smooth idle. Hydraulic Roller - Xtreme Marine: Good for pleasure use and economy, smooth idle.; 264/270 Advertised Duration, 212/218 Duration .050", .488"/.495" Lift, 112 Lobe Separation; 1000 to 5000 RPM range; Valve spring upgrade required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump