Manufacturer's Part Number:
Howards Cams Steel Billet Mechanical Roller Camshafts
Summit Racing Part Number:
Mechanical roller tappet
Basic Operating RPM Range:
Intake Duration at 050 inch Lift:
Exhaust Duration at 050 inch Lift:
Duration at 050 inch Lift:
255 int./263 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
289 int./295 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:
Intake Valve Lash:
Exhaust Valve Lash:
Valve Springs Required:
Camshaft Manufacturers Description:
Small base circle. Strong midrange, needs good single plane intake, 10.5:1+ compression ratio.
Small base circle cam.
Choose In-store pick-up (OH, GA, NV) on our web site.
Howards Cams steel billet mechanical roller camshafts are serious cams for serious performance. Cut from billet steel these high-grade, race-quality mechanical roller cams from Howards are ground on precision equipment to ensure awesome performance. Mechanical roller cams offer aggressive power for all-out competition. They're billet, they're Howards, and they're serious-- mechanical roller camshafts!