http://summitracing.com/parts/LUN-00061/
Summit Racing Part Number LUN-00061
Cam Style Hydraulic flat tappet
Basic Operating RPM Range 2,000-6,000
Intake Duration at 050 inch Lift 230
Exhaust Duration at 050 inch Lift 230
Duration at 050 inch Lift 230 int./230 exh.
Advertised Intake Duration 292
Advertised Exhaust Duration 292
Advertised Duration 292 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.512 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.512 in.