Manufacturer's Part Number:
Summit Racing® LS Engine Custom Grinds, by COMP Cams
Summit Racing Part Number:
Hydraulic roller tappet
Basic Operating RPM Range:
Intake Duration at 050 inch Lift:
Exhaust Duration at 050 inch Lift:
Duration at 050 inch Lift:
234 int./246 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
283 int./298 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
Exhaust Valve Lift with Factory Rocker Arm Ratio:
Valve Lift with Factory Rocker Arm Ratio:
0.602 int./0.615 exh.
Lobe Separation (degrees):
Camshaft Gear Attachment:
Valve Springs Required:
Camshaft Manufacturers Description:
6.0-7.0L engines with rectangle port cylinder heads, greatly improved power band over stock, computer tuning required, very choppy idle, meant for max performance setups, needs 3.73 and up gear ratio, and 3,500 and up stall converter.
With rectangular port heads. 3500 stall converter and 3:73 and up gears are recommended. Custom computer tuning required. Fly cutting the pistons may be required.
Choose In-store pick-up (OH, GA, NV) on our web site.
These Summit Racing® LS engine custom grinds, by COMP Cams hydraulic roller camshafts have been specially ground just for us! They feature modern lobe profiles that take full advantage of high-flowing late model GM LS cylinder heads. The camshafts are tailored for a specific rpm range and usage, from torque to high-rpm horsepower. The Summit Racing® LS engine custom grinds, by COMP Cams hydraulic roller camshafts are available in a variety of configurations to work with your naturally aspirated, supercharged, nitrous injected or turbocharged LS engine.