Description
Camshaft - Xtreme Energy - Mechanical Roller - Lift 0.639 / 0.646 in - Duration 274 / 280 - 110 LSA - 2200 / 6200 RPM - Big Block Chevy - Each
XE 236/242 SRlrBBC
BBC - 1965-66 396 c.i.d. 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
Great for Power Touring. Needs 2500+ stall, easy on parts. Very reliable power. Rough idle.
Application Summary
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft
Product Overview
*Xtreme Energy Camshafts*
⢠Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
⢠More vacuum allows an increase in duration for improved performance and assists power brakes
⢠Excellent performance in street carbureted applications
⢠Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.
| Additional Application Notes | |
|---|---|
| • Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Mech. Roller; 2200-6200rpm; Adv. Dur. 274 Int./280 Exh.; Valve Lift .639 Int./.646 Exh.; Lobe Angle 110 deg.; | |
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: | 280 |
| Advertised Intake Duration: | 274 |
| Amazon ASIN: | B000V9HYN6 |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 2,200-6,200 |
| 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 Roller |
| Cam and Lifter Kit Upgrade: | CL11-770-8 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Austempered Ductile Iron |
| Camshaft Series: | Xtreme Energy |
| Description: | Xtreme Energy 236/242 Solid Roller Cam for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 242 |
| Exhaust Duration at .050 inch Lift: | 242 |
| Exhaust Duration: | 280 |
| Exhaust Valve Lift(in): | 0.646 |
| Exhaust Valve Lift: | 0.646 |
| Grind Number: | XR274R |
| Intake Duration @ .050 in.: | 236 |
| Intake Duration at .050 Inch Lift: | 236 |
| Intake Duration: | 274 |
| Intake Valve Lift(in): | 0.639 |
| Intake Valve Lift: | 0.639 |
| K-Kit Upgrade: | K11-770-8 |
| Lifter Type: | Solid Roller |
| Lifters Included: | No |
| Part Number: | cca11-770-8 |
| RPM Range: | 2000-9000 |
| SK-Kit Upgrade: | SK11-770-8 |
| Title: | Xtreme Energy 236/242 Solid Roller Cam for Chevrolet Big Block 396-454 |
| Usage: | Street/Performance |
| Valve Springs Required: | 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 | cca11-770-8 |
| SFX Item ID | 4118551 |
| Accounting SKU | cca-11-770-8 |
| Manufacturer SKU | 11-770-8 |
| Manufacturer UPC | 036584058953 |
| Alternative References | 11-770-8, CCA-11-770-8, COM11-770-8 |
Camshaft, Mechanical Roller Tappet, Advertised Duration 274/280, Lift .639/.646, Chevy, Big 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 | 11-770-8 |
| Part Type | Camshafts |
| Product Line | COMP Cams Xtreme Energy Camshafts |
| UPC | 036584058953 |
| Cam Style | Solid roller, Retro-fit |
| Camshaft Use | Street/Strip |
| Basic Operating RPM Range | 2,200-6,200 |
| Intake Duration at 050 inch Lift | 236 |
| Exhaust Duration at 050 inch Lift | 242 |
| Duration at 050 inch Lift | 236 int./242 exh. |
| Advertised Intake Duration | 274 |
| Advertised Exhaust Duration | 280 |
| Advertised Duration | 274 int./280 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.639 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.646 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.639 int./0.646 exh. |
| Intake Valve Lash | 0.016 in. |
| Exhaust Valve Lash | 0.018 in. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CB XR274 R-10 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Requires thrust button and wear plate. |
Compatibility
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