COMP Cams 08-413-8 - CamShaft, CS X4 270HR-11

COMP Cams Xtreme 4X4 X4270HR-11 Camshaft for Small Block Chevrolet Carbureted Engines Originally Equipped with Hydraulic Roller Cams Hydraulic Roller - Xtreme 4X4: Good mid-range power, needs headers, 3.55-4.10 gears, 2000 stall. Noticeable idle. Hydraulic Roller - Xtreme 4X4: Good mid-range power, needs headers, 3.55-4.10 gears, 2000 stall. Noticeable idle.; 270/274 Advertised Duration, 220/224 Duration .050", .474"/.474" Lift, 111 Lobe Separation; 1500 to 5500 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;