Mutha' Thumpr 235/249 Hydraulic Flat Cam for Pontiac 265-455

Mutha' Thumpr™ 235/249 Hydraulic Flat Cam for Pontiac 265-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Grind Number: 287TH7
Engine Family: Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range: 2,200-6,100
Cam Type: Hydraulic Flat Tappet
Lifter Style: Hydraulic Flat Tappet
Camshaft Series: Thumpr
Camshaft Gear Attachment: 1-Bolt
Usage: Street/Strip
Valve Springs Required: Yes
Camshaft Material: Cast Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 287
Advertised Exhaust Duration: 305
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 Inch Lift: 249
Intake Valve Lift: 0.49
Exhaust Valve Lift: 0.475
Lobe Separation: 107
Assembly Lubricant Included: Yes
Intake Centerline: 102
Lobe Lift Intake: 0.327
Lobe Lift Exhaust: 0.317
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 45
Exhaust Open BBDC: 80
Intake Open BTDC: 40
Intake Close ABDC: 67
Component Part Number
CL-Kit Upgrade: CL51-601-5
K-Kit Upgrade: k51-601-5