Description
Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.495 / 0.502 in - Duration 270 / 276 - 110 LSA - 1600 / 5400 RPM - Small Block Chevy - Each
XE 218/224 HRlrSBC
Xtreme Energy 218/224 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles. Xtreme Energy Benefits: Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve. More vacuum allows a step up in duration for greater performance. Best seller
Additional Information
High performance application, largest with stock converter, noticeable idle.
Application Summary
Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.
Part Type
Engine Camshaft
Product Overview
Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.
Features
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Specifications
Product Details
| Advertised Exhaust Duration: | 276 |
| Advertised Intake Duration: | 270 |
| Amazon ASIN: | B000CESFKQ |
| 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 |
| Cam and Lifter Kit Upgrade: | CL12-422-8 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Austempered Ductile Iron |
| Camshaft Series: | Xtreme Energy |
| Description: | Xtreme Energy 218/224 Hydraulic Roller Cam for Chevrolet Small Block |
| Engine Family: | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| Exhaust Duration @ .050 in.: | 224 |
| Exhaust Duration at .050 inch Lift: | 224 |
| Exhaust Duration: | 276 |
| Exhaust Valve Lift(in): | 0.502 |
| Exhaust Valve Lift: | 0.502 |
| Grind Number: | XR270HR |
| Intake Duration @ .050 in.: | 218 |
| Intake Duration at .050 Inch Lift: | 218 |
| Intake Duration: | 270 |
| Intake Valve Lift(in): | 0.495 |
| Intake Valve Lift: | 0.495 |
| K-Kit Upgrade: | K12-422-8 |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | No |
| Part Number: | cca12-422-8 |
| RPM Range: | 1000-7000 |
| SK-Kit Upgrade: | SK12-422-8 |
| Title: | Xtreme Energy 218/224 Hydraulic Roller Cam for Chevrolet Small Block |
| Usage: | Street/Performance |
| Valve Springs Required: | Yes |
Product Downloads
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 | cca12-422-8 |
| SFX Item ID | 4118677 |
| Accounting SKU | cca-12-422-8 |
| Manufacturer SKU | 12-422-8 |
| Manufacturer UPC | 036584025153 |
| Alternative References | 12-422-8, CCA-12-422-8, COM12-422-8 |
Camshaft, Hydraulic Roller Tappet, Advertised Duration 270/276, Lift .495/.502, Chevy, Small Block, Each
COMP Cams Xtreme Energy retrofit camshafts are built to take advantage of the latest cam technology—and provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy cam available for you. By using an aggressive lobe profile, these hydraulic roller tappet cams provide better throttle response, engine vacuum, and top-end horsepower than equivalent cams from other manufacturers. Choose the model and options designed for your engine application.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 12-422-8 |
| Part Type | Camshafts |
| Product Line | COMP Cams Xtreme Energy Retrofit Camshafts |
| UPC | 036584025153 |
| Cam Style | Hydraulic roller, Retro-fit |
| Camshaft Use | Street/Strip |
| Basic Operating RPM Range | 1,600-5,400 |
| 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 | 0.495 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.502 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.495 int./0.502 exh. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CS XR270HR-10 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Retro-fit: Designed for early non-roller blocks. Requires thrust button and wear plate. |
Compatibility
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