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Big-Mutha-Thumpr-243257-Hydraulic-Roller-Cam-For-Chrysler-273-360
Big-Mutha-Thumpr-243257-Hydraulic-Roller-Cam-For-Chrysler-273-360
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COMP Cams 20-603-9 Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chrysler 273-360

2 sold in last 8 days
COMP Cams
ds_BDQQ_20-603-9
Out of stock
Engine Camshaft
$741.25

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COMP Cams 20-603-9 Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chrysler 273-360

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Specifications:

Description_ASM Fits Chrysler 273, 318, 340 and 360 LA
Description_DEF Engine Camshaft
Description_DES Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chrysler 273-360
Description_KEY 273, 360, 318, AMC, Dodge, Mopar, Plymouth, Dart, Road Runner, Charger, Challenger, 383, 400, 440, 426, HEMI, 426 Wedge, 426 HEMI, RB, B, HEMI, 392, Chrysler, LA
Description_INV BM-Thmpr 243/257 H-Rlr Cam Chrys 273-360
Description_EXT Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Description_SHO BMT 243/257 ChryLA
Description_SHP None
Valve Springs Required Yes
Lifter Type Hydraulic Roller
Camshaft Material Billet Steel
Basic Operating RPM Range 2,500-6,200
Advertised Intake Duration 299
Engine Family Chrysler 273-360 c.i. 8 Cylinder (1964-2002)
Assembly Lubricant Included No
C.A.R.B. Exempt for On-Road Vehicles? No
Lifters Included No
Advertised Exhaust Duration 319
Intake Duration at .050 Inch Lift 243
Grind Number 299THR7
Exhaust Duration at .050 inch Lift 257
Title Big Mutha' Thumpr 243/257 Hydraulic Roller Cam for Chrysler 273-360
Cam and Lifter Kit Upgrade CL20-603-9
K-Kit Upgrade K20-603-9
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.
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lobe Separation 107
Usage Street/Strip
Amazon ASIN B001GBMGNQ
Camshaft Gear Attachment 1-Bolt
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? Yes, but must meet tailpipe emission standards for year of vehicle.
Camshaft Series Thumpr
Cam Type Hydraulic Roller
Intake Valve Lift 0.533
C.A.R.B. E.O. Number N/A
C.A.R.B. Exemption Reason N/A
Exhaust Valve Lift 0.519
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? Yes, but must be a race/competition only vehicle.
Length 3.0000
Width 3.0000
Height 24.0000
Weight 9.0000
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