Manufacturer's Part Number:
Howards Cams Retrofit Hydraulic Roller Camshafts
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:
249 int./255 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
302 int./308 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
Exhaust Valve Lift with Factory Rocker Arm Ratio:
Valve Lift with Factory Rocker Arm Ratio:
0.640 int./0.640 exh.
Lobe Separation (degrees):
Camshaft Gear Attachment:
Valve Springs Required:
Camshaft Manufacturers Description:
Lopey idle, Pro Street/bracket, 10.5:1+ compression ratio advised, OK with nitrous oxide.
Retrofit roller cam for engines that did not originally come with a roller cam.
Choose In-store pick-up (OH, GA, NV) on our web site.
Howards Cams retrofit hydraulic roller camshafts offer more lift and more power for less money. These street performance grinds are perfect for those wanting to upgrade to hydraulic roller cams. Manufactured using the highest grade race-quality cores, Howards precision-grinds their cams to provide the quality and performance that you want at a reasonable price. Overhaul your valvetrain for mild to wild street performance with Howards Cams retrofit hydraulic roller camshafts.