COMP Cams 35-600-4 - CamShaft, FW 279T H-107 T THUMPR

COMP Cams Thumpr 279TH7 Camshaft for Small Block Ford 351W Hydraulic - Thumpr Retro-Fit: High performance street, stock converter ok, best with 2000+converter and gears. Choppy/thumping idle. Hydraulic - Thumpr Retro-Fit: High performance street, stock converter ok, best with 2000+converter and gears. Choppy/thumping idle.; 279/297 Advertised Duration, 227/241 Duration .050", .490"/.475" Lift, 107 Lobe Separation; Valve spring upgrade required