Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Specifications:
| Description_ASM |
Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440 |
| Description_DEF |
Engine Camshaft |
| Description_DES |
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Chrysler 383-440 |
| Description_EXT |
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. |
| Description_INV |
Thmpr 243/257 H-Flat Cam Chryslr 383-440 |
| 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_SHP |
None |
| Description_SHO |
BMT 243/257ChryBRB |
| 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 Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
| Lifter Type |
Hydraulic Flat Tappet |
| Lobe Separation |
107 |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Assembly Lubricant Included |
Yes |
| Camshaft Series |
Thumpr |
| Camshaft Material |
Cast Iron |
| Advertised Intake Duration |
295 |
| Lifters Included |
No |
| Grind Number |
295TH7 |
| Intake Valve Lift |
0.507 |
| Title |
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Chrysler 383-440 |
| Engine Family |
Chrysler 383-440 c.i. 8 Cylinder (1959-1980) |
| Exhaust Valve Lift |
0.494 |
| K-Kit Upgrade |
K21-602-5 |
| Advertised Exhaust Duration |
312 |
| C.A.R.B. Exempt for On-Road Vehicles? |
No |
| Intake Duration at .050 Inch Lift |
243 |
| Usage |
Street/Strip |
| 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. Exemption Reason |
N/A |
| Cam and Lifter Kit Upgrade |
CL21-602-5 |
| Exhaust Duration at .050 inch Lift |
257 |
| Cam Type |
Hydraulic Flat Tappet |
| Basic Operating RPM Range |
2,500-6,400 |
| Amazon ASIN |
B005H89RU4 |
| Valve Springs Required |
Yes |
| C.A.R.B. E.O. Number |
N/A |
| 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. |
| Length |
3.0000 |
| Width |
3.0000 |
| Height |
23.0000 |
| Weight |
10.0000 |
