COMP Cams Camshaft CB 318Rxh-16
COMP Cams Camshaft CB 318Rxh-16
Description
DR 285/312 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
Very large cubic inch and nitrous applications.
Application Summary
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft
Product Overview
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Features
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Specifications
Product Details
| Advertised Exhaust Duration: | 352 |
| Advertised Intake Duration: | 318 |
| Amazon ASIN: | B000P5G5Z4 |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 5,200-9200 |
| 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 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Billet Steel |
| Camshaft Series: | Drag Race Xtreme RX |
| Description: | Drag Race 285/312 Solid Roller Cam for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 312 |
| Exhaust Duration at .050 inch Lift: | 312 |
| Exhaust Duration: | 352 |
| Exhaust Valve Lift(in): | 0.81 |
| Exhaust Valve Lift: | 0.81 |
| Grind Number: | 318RXH-16 |
| Intake Duration @ .050 in.: | 285 |
| Intake Duration at .050 Inch Lift: | 285 |
| Intake Duration: | 318 |
| Intake Valve Lift(in): | 0.463 |
| Intake Valve Lift: | 0.463 |
| Lifter Type: | Solid Roller |
| Lifters Included: | No |
| Part Number: | cca11-742-9 |
| RPM Range: | 5000-13000 |
| Title: | Drag Race 285/312 Solid Roller Cam for Chevrolet Big Block 396-454 |
| Usage: | Strip |
| 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 | cca11-742-9 |
| SFX Item ID | 4118536 |
| Accounting SKU | cca-11-742-9 |
| Manufacturer SKU | 11-742-9 |
| Manufacturer UPC | 036584071884 |
| Alternative References | 11-742-9, CCA-11-742-9 |
Camshaft, Mechanical Roller, Duration 318 Int./352 Exh., Lift 0.463 Int./0.810 Exh., Lobe Separation 116, Chevy, BBC, 396-454, Each
These COMP Cams Drag Race Xtreme RX roller camshafts are designed with racers in mind. Their ability to withstand high valve spring pressures, while having the most aggressive lobe profiles, makes these cams a favorite among engine builders wanting maximum performance at high rpm. These camshafts are designed to use roller lifters that reduce power-robbing friction to make the most of your high performance engine. These COMP Cams Drag Race Xtreme RX roller camshafts will give you serious street performance, or the all-out race motor power and sound you want, without sacrificing reliability.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 11-742-9 |
| Part Type | Camshafts |
| Product Line | COMP Cams Drag Race Xtreme RX Roller Camshafts |
| UPC | 036584071884 |
| Cam Style | Solid roller, Retro-fit |
| Camshaft Use | Drag race |
| Basic Operating RPM Range | 5,200-9,200 |
| Intake Duration at 050 inch Lift | 285 |
| Exhaust Duration at 050 inch Lift | 312 |
| Duration at 050 inch Lift | 285 int./312 exh. |
| Advertised Intake Duration | 318 |
| Advertised Exhaust Duration | 352 |
| Advertised Duration | 318 int./352 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.463 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.810 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.463 int./0.810 exh. |
| Camshaft Gear Attachment | 3-bolt |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CB 318RXH-16 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
Compatibility
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