COMP Cams Camshaft CS 47S XS290S-10
COMP Cams Camshaft CS 47S XS290S-10
Description
XE47 252/260 SFT SBC
SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.
Additional Information
Pro Street/bracket, needs good intake, headers, gear and 3300+stall.
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: | 298 |
| Advertised Intake Duration: | 290 |
| Amazon ASIN: | B001G7IXQY |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 2,800-7200 |
| 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: | Solid Flat Tappet |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Xtreme Energy 4 and 7 Swap Firing Order |
| Description: | Xtreme Energy 4/7 Swap 252/260 Solid Flat Cam for Chevrolet Small Block |
| Engine Family: | Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| Exhaust Duration @ .050 in.: | 260 |
| Exhaust Duration at .050 inch Lift: | 260 |
| Exhaust Duration: | 298 |
| Exhaust Valve Lift(in): | 0.558 |
| Exhaust Valve Lift: | 0.558 |
| Grind Number: | XE290S |
| Intake Duration @ .050 in.: | 252 |
| Intake Duration at .050 Inch Lift: | 252 |
| Intake Duration: | 290 |
| Intake Valve Lift(in): | 0.540 |
| Intake Valve Lift: | 0.54 |
| Lifter Type: | Solid Flat Tappet |
| Lifters Included: | No |
| Part Number: | cca12-665-47 |
| RPM Range: | 2000-9000 |
| Title: | Xtreme Energy 4/7 Swap 252/260 Solid Flat 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 | cca12-665-47 |
| SFX Item ID | 4118789 |
| Accounting SKU | cca-12-665-47 |
| Manufacturer SKU | 12-665-47 |
| Manufacturer UPC | 036584096689 |
| Alternative References | 12-665-47, CCA-12-665-47 |
Camshaft, Mechanical Flat Tappet, Advertised Duration 290/298, Lift .540/.558, Chevy, Small Block, Each
COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. Whether your use is off-roading, towing, or street performance, there's an Xtreme Energy cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers—while delivering increased engine vacuum. Hundreds of models are available for fitment on vehicles from 1955 to the present. Select the cam designed for your application.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 12-665-47 |
| Part Type | Camshafts |
| Product Line | COMP Cams Xtreme Energy Camshafts |
| UPC | 036584096689 |
| Cam Style | Solid flat tappet |
| Camshaft Use | Street/Strip |
| Camshaft Manufacturers Description | Camshaft is designed to work best with good intake, headers, gear, and 3,300+ stall. |
| Basic Operating RPM Range | 2,800-7,200 |
| Intake Duration at 050 inch Lift | 252 |
| Exhaust Duration at 050 inch Lift | 260 |
| Duration at 050 inch Lift | 252 int./260 exh. |
| Advertised Intake Duration | 290 |
| Advertised Exhaust Duration | 298 |
| Advertised Duration | 290 int./298 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.540 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.558 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.540 int./0.558 exh. |
| Camshaft Gear Attachment | 3-bolt |
| Intake Valve Lash | 0.016 in. |
| Exhaust Valve Lash | 0.016 in. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | XE 29OS |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Cam has 4/7 swap firing order. Requires upgraded gear, thrust button, and wear plate. |
Compatibility
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