Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455

Big Mutha' Thumpr™ 243/257 Hydraulic Flat Cam for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Grind Number: 295TH7
Engine Family: Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range: 2,500-6,400
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: 295
Advertised Exhaust Duration: 313
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 257
Intake Valve Lift: 0.501
Exhaust Valve Lift: 0.486
Lobe Separation: 107
Assembly Lubricant Included: Yes
Intake Centerline: 102
Lobe Lift Intake: 0.334
Lobe Lift Exhaust: 0.324
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 49
Exhaust Open BBDC: 84
Intake Open BTDC: 44
Intake Close ABDC: 71
Component Part Number
CL-Kit Upgrade: CL51-602-5
K-Kit Upgrade: k51-602-5