COMP Cams K51-601-5 Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Pontiac 265-455
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Description
Resources
Installation InstructionsResources
Installation InstructionsSpecifications
| Advertised Exhaust Duration | 305 |
| Advertised Intake Duration | 287 |
| Amazon ASIN | B005H89TE8 |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 2,200-6,100 |
| 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 | Pontiac 265-455 V8 |
| Description_DEF | Engine Camshaft Kit |
| Description_DES | 10 Superlock Steel Retainer Set of 16 for 1.437"-1.500" OD Valve Spring |
| Description_DES | Engine Valve Spring Kit |
| Description_DES | High Energy Hydraulic Flat Lifters for Oldsmobile 260-455 and Pontiac 265-455 |
| Description_DES | Magnum Double Row Timing Set for '55-'81 Pontiac 326-455 |
| Description_DES | Mutha' Thumpr 235/249 Hydraulic Flat Cam for Pontiac 265-455 |
| Description_DES | Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Pontiac 265-455 |
| 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 | High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. |
| Description_INV | MThmpr 235/249 H-Flt K-Kit Pont 265-455 |
| Description_KEY | 265 |
| Description_KEY | 287 |
| Description_KEY | 301 |
| Description_KEY | 317 |
| Description_KEY | 347 |
| Description_KEY | 350 |
| Description_KEY | 370 |
| Description_KEY | 389 |
| Description_KEY | 400 |
| Description_KEY | 421 |
| Description_KEY | 428 |
| Description_KEY | 455 |
| Description_KEY | 455 HO |
| Description_KEY | Bonneville |
| Description_KEY | Catalina |
| Description_KEY | Century |
| Description_KEY | Firebird |
| Description_KEY | Formula |
| Description_KEY | Grand Am |
| Description_KEY | Grand Prix |
| Description_KEY | HO |
| Description_KEY | LeMans |
| Description_KEY | Parisienne |
| Description_KEY | Pontiac |
| Description_KEY | Ram Air |
| Description_KEY | Ram Air III |
| Description_KEY | Ram Air IV |
| Description_KEY | Regal |
| Description_KEY | SD |
| Description_KEY | SD455 |
| Description_KEY | Super Duty |
| Description_KEY | Trans-Am |
| 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 | Pontiac 265-455 C.I. 8 Cylinder (1955-1981) |
| Exhaust Duration at .050 inch Lift | 249 |
| Exhaust Valve Lift | 0.475 |
| Gaskets Included | No |
| height | 5.0 |
| Intake Duration at .050 Inch Lift | 235 |
| Intake Valve Lift | 0.49 |
| Kit Type | K-Kit - Complete Kit |
| length | 26.0 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | Yes |
| Lobe Separation | 107 |
| LTL | N |
| Title | Mutha' Thumpr 235/249 Hydraulic Flat Cam K-Kit for Pontiac 265-455 |
| Usage | Street/Strip |
| Valve Springs Included | Yes |
| weight | 26.0 |
| width | 10.5 |