COMP Cams 11-600-4 - CamShaft, CB 279T H-107 T THUMPR

COMP Cams Thumpr 279TH7 Camshaft for Big Block Chevy Hydraulic - Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle. Hydraulic - Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.; 279/296 Advertised Duration, 227/241 Duration .050", .498"/.483" Lift, 107 Lobe Separation; Valve spring upgrade required