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COMP Cams 51-601-11 - Camshaft, P8 291Th R7 Thumpr

COMP Cams  |  SKU: COMP-51-601-11
$57995 $63794

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AVAILABILITY: This Item Is Out Of Stock.

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

COMP Cams 51-601-11 - Camshaft, P8 291Th R7 Thumpr

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

Mutha' Thumpr 235/249 Hydraulic Roller for Pontiac 265-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle. Distributor Gear upgrade required.

Camshaft Series: Thumpr
Usage: Street/Strip
Cam Type: Hydraulic Roller
Grind Number: 291THR7
Basic Operating RPM Range: 2,000-5,800
Intake Duration at .050 Inch Lift: 235
Exhaust Duration at .050 inch Lift: 249
Advertised Intake Duration: 291
Advertised Exhaust Duration: 311
Lobe Separation: 107
Intake Valve Lift: 0.522
Assembly Lubricant Included: No
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Billet Steel
Valve Springs Required: Yes
Lifters Included: No
Exhaust Valve Lift: 0.508
Cam and Lifter Kit Upgrade: CL51-601-11
Lifter Type: Hydraulic Roller
K-Kit Upgrade: K51-601-11
Amazon ASIN: N/A
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Engine Family: Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Grind Number: 291THR7

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