http://www.summitracing.com/parts/CCA-CL20-600-4/
Cam Style Hydraulic flat tappet
Basic Operating RPM Range
2,000-5,800
Duration at 050 inch Lift 227 int./241 exh.
Valve Lift with Factory Rocker Arm Ratio 0.486 int./0.473 exh.
Lobe Separation (degrees) 107
Grind Number 279TH7