COMP Cams 08-414-8 - CamShaft, CS X4 280HR-11

COMP Cams Xtreme 4X4 X4280HR-11 Camshaft for Small Block Chevrolet Carbureted Engines Originally Equipped with Hydraulic Roller Cams Hydraulic Roller - Xtreme 4X4: Good top end. Needs headers, lower gears and 2500+ stall. Hydraulic Roller - Xtreme 4X4: Good top end. Needs headers, lower gears and 2500+ stall.; 280/284 Advertised Duration, 230/234 Duration .050", .474"/.474" Lift, 111 Lobe Separation; 1800 to 5800 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;