Description

Comp Cams Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Chrysler 383-440 – 21-601-5
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Chrysler 383-440
PRODUCT NOTES:
Camshaft Series – Thumpr
Usage – Street/Performance
Cam Type – Hydraulic Flat Tappet
Grind Number – 287TH7
Basic Operating RPM Range – 2,200-6,100 R3
Intake Duration at .050 Inch Lift – 235 DD
Exhaust Duration at .050 inch Lift – 249 DD
Advertised Intake Duration – 287 DD
Advertised Exhaust Duration – 304 DD
Lobe Separation – 107 DD
Intake Valve Lift – 0.497 IN
Exhaust Valve Lift – 0.483 IN
Lifters Included – No
Valve Springs Required – Yes
Assembly Lubricant Included – Yes
Camshaft Gear Attachment – 1-Bolt
Camshaft Material – Cast Iron
Engine Family – Chrysler 383-440 c.i. 8 Cylinder (1959-1980)
Cam and Lifter Kit Upgrade – CL21-601-5
California Proposition 65 – WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
K-Kit Upgrade – K21-601-5
Lifter Type – Hydraulic Flat Tappet
Title – Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Chrysler 383-440
Amazon ASIN – B005H89RTK
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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