Engine Family:Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range:1,800-5,800
Grind Number:270H
Cam Type:Hydraulic Flat Tappet
Lifter Style:Hydraulic Flat Tappet
Camshaft Series:Magnum
Usage:Street/Strip
Advertised Intake Duration:270
Advertised Exhaust Duration:270
Intake Duration at .050 Inch Lift:224
Exhaust Duration at .050 Inch Lift:224
Intake Valve Lift:0.476
Exhaust Valve Lift:0.476
Lobe Lift Intake:0.313
Lobe Lift Exhaust:0.313
Lobe Separation:110
Intake Centerline:106
Exhaust Close ATDC:21
Intake Open BTDC:29
Exhaust Open BBDC:69
Intake Close ABDC:61
Camshaft Gear Attachment:1-Bolt