Description
COMP Cams Camshaft Kit CB XR270HR-10
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.
Additional Information
Performance application, great mid-range torque, likes headers.
Application Summary
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft 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 âââ¬Ã
âPower Engineered System.âââ¬ÃÂ
*K-Kit - Complete Kit Includes*
⢠Camshaft
⢠Lifters
⢠Valve Springs
⢠Retainers
⢠Valve Locks
⢠Valve Stem Seals
⢠Assembly Lube
⢠Decals
⢠Instructions
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: | 276 |
| Advertised Intake Duration: | 270 |
| Amazon ASIN: | B001GEYVRM |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 1,600-5,400 |
| 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: | Xtreme Energy |
| Description: | Xtreme Energy 218/224 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 224 |
| Exhaust Duration at .050 inch Lift: | 224 |
| Exhaust Duration: | 276 |
| Exhaust Valve Lift(in): | 0.51 |
| Exhaust Valve Lift: | 0.51 |
| Gaskets Included: | No |
| Intake Duration @ .050 in.: | 218 |
| Intake Duration at .050 Inch Lift: | 218 |
| Intake Duration: | 270 |
| Intake Valve Lift(in): | 0.510 |
| Intake Valve Lift: | 0.51 |
| Kit Type: | K-Kit - Complete Kit |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | Yes |
| Part Number: | ccaK11-422-8 |
| RPM Range: | 1000-7000 |
| Title: | Xtreme Energy 218/224 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454 |
| Usage: | Street/Performance |
| Valve Springs Included: | Yes |
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 | ccaK11-422-8 |
| SFX Item ID | 4123648 |
| Accounting SKU | cca-K11-422-8 |
| Manufacturer SKU | K11-422-8 |
| Manufacturer UPC | 036584029830 |
| Alternative References | CCA-K11-422-8, K11-422-8 |
Cam/Lifters, Valvetrain, Hydraulic Roller Tappet, Adv. Duration 270/276, Lift .510/.510, Chevy, Big Block, Kit
COMP Cams Xtreme Energy retrofit cam and lifter kits are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy kit available for you. By using an aggressive lobe profile, these kits provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | K11-422-8 |
| Part Type | Camshaft Kits |
| Product Line | COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits |
| UPC | 036584029830 |
| Cam Style | Hydraulic roller, Retro-fit |
| Basic Operating RPM Range | 1,600-5,400 |
| Camshaft Use | Street/Strip |
| Intake Duration at 050 inch Lift | 218 |
| Exhaust Duration at 050 inch Lift | 224 |
| Duration at 050 inch Lift | 218 int./224 exh. |
| Advertised Intake Duration | 270 |
| Advertised Exhaust Duration | 276 |
| Advertised Duration | 270 int./276 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.510 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.510 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.510 int./0.510 exh. |
| Grind Number | XR270HR |
| Computer-Controlled Compatible | No |
| Lifters Included | Yes |
| Lifter Style | Hydraulic roller |
| Valve Springs Included | Yes |
| Outside Diameter of Outer Spring (in.) | 1.525 in. |
| Retainers Included | Yes |
| Locks Included | Yes |
| Valve Stem Seals Included | Yes |
| Timing Chain and Gears Included | Yes |
| Timing Chain Style | Double roller |
| Assembly Lubricant Included | No |
| Pushrods Included | Yes |
| Rocker Arms Included | No |
| Gaskets Included | No |
| Valve Springs Required | No |
| Quantity | Sold as a kit. |
| Notes | Requires thrust button and wear plate. |
Compatibility
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