Suit Small Block Chevy 1955 - 98

CO12-704-8

12-704-8

valve lash Inlet .020", Exh .020" RPM operating range 3000 - 6500 Duration advertised Inlet 300°, Exh 300° Duration advertised @ .050" Inlet 255°, Exh 262° Valve lift with 1.5 rocker Inlet .575", Exh .575" Lobe separation angle 114°