Comp Cams Classic Thumpr 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI - 26-602-7
Street/strip, needs 9.5:1+ compression, 2800+ stall, intake, gears and headers, very rough idle.
Classic Thumpr 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI
PRODUCT NOTES:
Camshaft Series - Classic Thumpr
Usage - Street/Strip
Cam Type - Hydraulic Flat Tappet
Grind Number - 295TH7
Basic Operating RPM Range - 2,500-6,400 R3
Intake Duration at .050 Inch Lift - 243 DD
Exhaust Duration at .050 inch Lift - 257 DD
Advertised Intake Duration - 295 DD
Advertised Exhaust Duration - 312 DD
Lobe Separation - 107 DD
Intake Valve Lift - 0.508 IN
Exhaust Valve Lift - 0.495 IN
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - Yes
Camshaft Material - Cast Iron
Engine Family - Chrysler 392 HEMI 8 Cylinder (1957-1958)
Lifter Type - Hydraulic Flat Tappet
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Title - Classic Thumpr 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI
Amazon ASIN - B005H89VXC
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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