old cam
Intake Duration at 050 inch Lift 228
Exhaust Duration at 050 inch Lift 231
Duration at 050 inch Lift 228 int./231 exh.
Advertised Intake Duration 268
Advertised Exhaust Duration 272
Advertised Duration 268 int./272 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.450 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.455 in.