Comp Cams Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255 - 41-602-7
Street/strip, engine modification mandatory, aftermarket heads, very rough idle.
Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255
PRODUCT NOTES:
Camshaft Series - Classic Thumpr
Cam Type - Solid Flat Tappet
Grind Number - 295TS7
Basic Operating RPM Range - 2,200-4,200 R3
Intake Duration at .050 Inch Lift - 243 DD
Exhaust Duration at .050 inch Lift - 257 DD
Advertised Intake Duration - 283 DD
Advertised Exhaust Duration - 315 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.382 IN
Exhaust Valve Lift - 0.378 IN
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - Yes
Camshaft Material - Cast Iron
Engine Family - Flathead Ford (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953)
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lifter Type - Solid Flat Tappet
Title - Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255
Amazon ASIN - B005H89W0Y
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
Lethal Performance is proud to offer the entire line of Comp Cams products!
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.
With COMP Cams®, there is no compromise - you're in first place.
