Manufacturer's Part Number:
Crane 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:
234 int./242 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
296 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
Exhaust Valve Lift with Factory Rocker Arm Ratio:
Valve Lift with Factory Rocker Arm Ratio:
0.539 int./0.558 exh.
Lobe Separation (degrees):
Camshaft Gear Attachment:
Valve Springs Required:
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Crane hydraulic roller camshafts are a good reason why virtually all pushrod-style engines manufactured for over two decades are equipped with hydraulic roller cams. Simply stated, the best way to get a wider torque band is to step up to a hydraulic roller cam in your small or big block Chevy, Ford or Mopar, AMC, Olds, or Pontiac. The roller cams' ability to quickly open and close the valves allows for more sophisticated camshaft profiles, while the hydraulic lifter body eliminates the need to constantly set valve lash. Crane Cams has the industry's largest database of camshaft profiles. This enables Crane to provide you with the camshaft that's ideally suited for your application. These Crane hydraulic roller camshafts also have an exceptional "flat" power curve and are a popular retrofit into older engines. Crane hydraulic roller camshafts are the starting and ending points for your camshaft needs.