Big Mutha' Thumpr 4/7 Swap 243/257 Hydraulic Roller Cam for Chevrolet 348-409

Big Mutha' Thumpr™ 4/7 Swap 243/257 Hydraulic Roller Cam for Chevrolet 348-409. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Grind Number: 47S 299BMTHR-8
Engine Family: Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
RPM Operating Range: 2,500-6,400
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: Thumpr 4 and 7 Swap Firing Order
Camshaft Gear Attachment: 3-Bolt
Usage: Street/Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 299
Advertised Exhaust Duration: 319
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 257
Intake Valve Lift: 0.586
Exhaust Valve Lift: 0.571
Lobe Separation: 108
Assembly Lubricant Included: No