Manufacturer's Part Number:
Summit Racing Part Number:
Hydraulic flat tappet
Basic Operating RPM Range:
Intake Duration at 050 inch Lift:
Exhaust Duration at 050 inch Lift:
Duration at 050 inch Lift:
224 int./230 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
274 int./280 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
Exhaust Valve Lift with Factory Rocker Arm Ratio:
Valve Lift with Factory Rocker Arm Ratio:
0.473 int./0.486 exh.
Lobe Separation (degrees):
Valve Springs Required:
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How are the Crane hydraulic flat tappet camshafts described? Some would use words like "power," "versatility," "dependability," and "revered." All of those are perfectly acceptable ways to characterize the most popular type of OEM camshaft through the late '80s. The reasons for the strong allegiance are simple and true. The Crane hydraulic flat tappet camshafts' lifter profiles can provide a power curve that tops out at just over 7,000 rpm (when used in conjunction with high performance hydraulic lifters), while offering a history of low maintenance requirements. Crane also provides you with a multitude of flat tappet camshaft choices, ranging from grinds designed to improve bottom-end torque for towing to aggressive profiles with rough idle characteristics that will awaken your innermost horsepower demons. 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.