COMP Cams 08-422-8 - CamShaft, CS XR270HR-10

COMP Cams Xtreme Energy XR 270HR-10 Camshaft for Small Block Chevrolet Carbureted Engines Originally Equipped with Hydraulic Roller Cams Hydraulic Roller - Xtreme Energy: High performance application, largest cam with stock converter, noticeable idle. Hydraulic Roller - Xtreme Energy: High performance application, largest cam with stock converter, noticeable idle.; 270/276 Advertised Duration, 218/224 Duration .050", .495"/.502" Lift, 110 Lobe Separation; 1600 to 5400 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;