Description
COMP Cams Cam & Lifter Kit CB 291T HR-7
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
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft and Lifter Kit
Product Overview
COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation.
All cam kits are fully tested and manufactured to the strictest standards. Each kit's components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.â€Â
*CL-Kit Cam & Lifter Kit Includes*
• Camshaft
• Lifters
• Assembly Lube
• Decals
• Instructions
| Additional Application Notes | |
|---|---|
| • Retro-Fit Hyd. Roller; 2200-5800rpm; Adv. Dur. 291 Int./311 Exh.; Valve Lift .558 Int/.542 Exh.; Lobe Angle 107 deg.; Incl. Cam/Lifters; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Advertised Exhaust Duration: | 311 |
| Advertised Intake Duration: | 291 |
| Amazon ASIN: | B001GEPC7U |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 2,200-5,800 |
| 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. |
| Cam Type: | Hydraulic Roller |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Austempered Ductile Iron |
| Camshaft Series: | Thumpr |
| Description: | Mutha Thumpr 235/249 Hydraulic Roller Cam/Lifter Kit Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 249 |
| Exhaust Duration at .050 inch Lift: | 249 |
| Exhaust Duration: | 311 |
| Exhaust Valve Lift(in): | 0.542 |
| Exhaust Valve Lift: | 0.542 |
| Gaskets Included: | No |
| Intake Duration @ .050 in.: | 235 |
| Intake Duration at .050 Inch Lift: | 235 |
| Intake Duration: | 291 |
| Intake Valve Lift(in): | 0.558 |
| Intake Valve Lift: | 0.558 |
| Kit Type: | CL-Kit - Cam and Lifter Kit |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | Yes |
| Locks Included: | No |
| Part Number: | ccaCL11-601-8 |
| RPM Range: | 2000-9000 |
| Retainers Included: | No |
| Timing Chain and Gears Included: | No |
| Title: | Mutha Thumpr 235/249 Hydraulic Roller Cam/Lifter Kit Chevrolet Big Block 396-454 |
| Usage: | Street/Performance |
| Valve Springs Required: | Yes |
| Valve Stem Seals Included: | No |
Product Downloads
| # | Document Type | Download |
|---|---|---|
| 1. | Catalog |
|
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | ccaCL11-601-8 |
| SFX Item ID | 4122971 |
| Accounting SKU | cca-CL11-601-8 |
| Manufacturer SKU | CL11-601-8 |
| Manufacturer UPC | 036584153474 |
| Alternative References | CCA-CL11-601-8, CL11-601-8 |
Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .558/.542, Chevy, Big Block, Kit
Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine's nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | CL11-601-8 |
| Part Type | Camshaft Kits |
| Product Line | COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits |
| UPC | 036584153474 |
| Cam Style | Hydraulic roller, Retro-fit |
| Basic Operating RPM Range | 2,000-5,800 |
| Camshaft Use | Street/Strip |
| 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 | 0.558 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.542 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.558 int./0.542 exh. |
| Camshaft Gear Attachment | 3-bolt |
| Grind Number | 291THR7 |
| Computer-Controlled Compatible | No |
| Lifters Included | Yes |
| 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. |
Compatibility
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