COMP Cams Mutha Thumpr Hydraulic Roller Camshafts CL51-601-11 Camshaft Kits, Camshafts, Retro-fit, Advertised Duration 291/311, Lift 0.522/0.508, Pontiac, Pontiac V8, Kit
COMP Cams Mutha Thumpr Hydraulic Roller Camshafts CL51-601-11 Camshaft Kits, Camshafts, Retro-fit, Advertised Duration 291/311, Lift 0.522/0.508, Pontiac, Pontiac V8, Kit
Description
MT 235/249 HRCLPont
CL-KIT - Cam and Lifter Kit Includes: Camshaft, Lifters, Assembly Lube, Decals and Instructions.
Additional Information
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Application Summary
Pontiac 265-455 V8
Part Type
Engine Camshaft and Lifter Kit
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:16:07
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | ccaCL51-601-11 |
| SFX Item ID | 4776698 |
| Accounting SKU | cca-CL51-601-11 |
| Manufacturer SKU | CL51-601-11 |
| Manufacturer UPC | 036584382171 |
| Alternative References | CCA-CL51-601-11, CL51-601-11 |
Camshaft Kits, Mutha Thumpr Hydraulic Roller Camshafts, Retro-fit, Advertised Duration 291/311, Lift 0.522/0.508, Pontiac, Pontiac V8, Kit
COMP Cams Mutha Thumpr hydraulic roller camshafts are manufactured to the strictest tolerances, rigorously tested and are checked for quality. The Thumpr lobe profiles are designed to optimize the character and sound, while providing excellent stability and a very wide power range—specific profiles are developed uniquely for the intake and exhaust. Have you ever been to the races and heard how nasty the cams sound? The Thumpr series of cams give you everyday drivability but have that nasty race engine growl! COMP Cams competitive drive, superior engineering, and cutting-edge technology is what keeps them at the fore front from any other camshaft manufacturer. So ... pick the cam for your application, then add a set of hydraulic lifters—and you will be the talk of the town!
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | CL51-601-11 |
| Part Type | Camshaft Kits |
| Product Line | COMP Cams Mutha Thumpr Hydraulic Roller Camshafts |
| UPC | 036584382171 |
| Cam Style | Hydraulic roller, Retro-fit |
| Basic Operating RPM Range | 2,000-5,800 |
| Camshaft Use | Street/Strip |
| Camshaft Manufacturers Description | High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. |
| Intake Duration at 050 inch Lift | 235 |
| Exhaust Duration at 050 inch Lift | 249 |
| Duration at 050 inch Lift | 235 int./249 exh. |
| Advertised Intake Duration | 291 |
| Advertised Exhaust Duration | 311 |
| Advertised Duration | 291 int./311 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.522 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.508 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.522 int./0.508 exh. |
| Camshaft Gear Attachment | 1-bolt |
| Computer-Controlled Compatible | No |
| Lifters Included | No |
| Lifter Style | Hydraulic roller |
| Valve Springs Included | No |
| Retainers Included | No |
| Locks Included | No |
| Valve Stem Seals Included | No |
| Timing Chain and Gears Included | No |
| Assembly Lubricant Included | No |
| Pushrods Included | No |
| Rocker Arms Included | No |
| Gaskets Included | No |
| Valve Springs Required | Yes |
| Quantity | Sold as a kit. |
Brochures
Compatibility
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