Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 221-302 - 31-603-5
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 221-302
PRODUCT NOTES:
Camshaft Series - Thumpr
Grind Number - 295TH7
Lobe Separation - 107 DD
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - Yes
Camshaft Gear Attachment - 1-Bolt
Camshaft Material - Cast Iron
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam and Lifter Kit Upgrade - CL31-603-5
Engine Family - Ford 221, 260, 289, 302 c.i. 8 Cylinder (1963-1995)
K-Kit Upgrade - K31-603-5
Title - Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 221-302
Amazon ASIN - B0046ZG72K
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
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For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
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