COMP Cams K35-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit for Ford 351W
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Description
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Installation InstructionsResources
Installation InstructionsSpecifications
| Advertised Exhaust Duration | 313 |
| Advertised Intake Duration | 295 |
| Amazon ASIN | B001S1W69I |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 2,500-6,400 |
| C.A.R.B. E.O. Number | N/A |
| 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 Federally Certified Vehicles Manufactured Before 1967? | 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. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason | N/A |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Material | Cast Iron |
| Camshaft Series | Thumpr |
| Description_ASM | Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing order |
| Description_DEF | Engine Camshaft Kit |
| Description_DES | 10 Superlock Steel Retainer Set of 16 for 1.437"-1.500" OD Valve Spring |
| Description_DES | Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Ford 351W |
| Description_DES | Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit for Ford 351W |
| Description_DES | Engine Valve Spring Kit |
| Description_DES | High Energy Hydraulic Flat Lifter Set for Ford 289-351W/C/M-400M, and 429-460. |
| Description_DES | Magnum Double Row Timing Set for '69-'84 Ford 351W |
| Description_DES | Set of 16 - 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess |
| Description_DES | Set of 16 PTFE Valve Seals for .530" Guide Size, 11/32" Valve Stem |
| Description_EXT | Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. |
| Description_INV | Big MThmpr 243/257 H-Flt K-Kit Ford 351W |
| Description_KEY | Ford, 351W, Windsor, 351 Windsor, 302, 5.0 HO, Explorer, Mutang, Ford Mustang, 408, 347, Fox Body Mustang, Fox Body, 302 HO, Cougar, F100, F150 |
| Description_MKT | K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions. |
| Description_SHO | Engine Camshaft Kit |
| Description_SHP | None |
| Engine Family | Ford 351W 8 Cylinder (1969-1996) |
| Exhaust Duration at .050 inch Lift | 257 |
| Exhaust Valve Lift | 0.498 |
| Gaskets Included | No |
| height | 5.0 |
| Intake Duration at .050 Inch Lift | 243 |
| Intake Valve Lift | 0.512 |
| Kit Type | K-Kit - Complete Kit |
| length | 26.0 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | Yes |
| Lobe Separation | 107 |
| LTL | N |
| Title | Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit for Ford 351W |
| Usage | Street/Strip |
| Valve Springs Included | Yes |
| weight | 25.0 |
| width | 10.5 |