COMP Cams Camshaft CB XM 296HR-12
COMP Cams Camshaft CB XM 296HR-12
Description
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. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.
Product Overview
*Xtreme Marine Camshafts*
* Extremely wide powerband helps get boat on plane while making maximum horsepower
* Work against exhaust systems with restrictive back pressure
* Power enhancement helps maintain top end speed for long distances
* Intended for applications where low idle speeds are required
Product Details
| Advertised Exhaust Duration: | 302 |
|---|---|
| Advertised Intake Duration: | 296 |
| Amazon ASIN: | B000P5B5K4 |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 2,800-6,200 |
| C.A.R.B. E.O. Number: | N/A |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: | Yes, but must meet tailpipe emission standards for year of vehicle. |
| 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. |
| C.A.R.B. Exemption Reason: | N/A |
| California Proposition 65: | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Cam Type: | Hydraulic Roller |
| Cam and Lifter Kit Upgrade: | CL11-456-8 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Austempered Ductile Iron |
| Camshaft Series: | Xtreme Marine |
| Description: | Xtreme Marine 242/248 Hydraulic Roller Cam for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 248 |
| Exhaust Duration at .050 inch Lift: | 248 |
| Exhaust Duration: | 302 |
| Exhaust Valve Lift(in): | 0.566 |
| Exhaust Valve Lift: | 0.566 |
| Grind Number: | XM296HR |
| Intake Duration @ .050 in.: | 242 |
| Intake Duration at .050 Inch Lift: | 242 |
| Intake Duration: | 296 |
| Intake Valve Lift(in): | 0.566 |
| Intake Valve Lift: | 0.566 |
| K-Kit Upgrade: | K11-456-8 |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | No |
| Lobe Separation: | 112 |
| Part Number: | cca11-456-8 |
| RPM Range: | 2000-9000 |
| SK-Kit Upgrade: | SK11-456-8 |
| Title: | Xtreme Marine 242/248 Hydraulic Roller Cam for Chevrolet Big Block 396-454 |
| Usage: | Marine |
| Valve Springs Required: | Yes |
Application Summary
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- 11-456-8
- Product Attributes - Part Type
- Camshafts
- Product Attributes - Product Line
- COMP Cams Xtreme Marine Camshafts
- Product Attributes - UPC
- 036584038542
- Product Attributes - Cam Style
- Hydraulic roller, Retro-fit
- Product Attributes - Camshaft Use
- Marine
- Product Attributes - Basic Operating RPM Range
- 2,800-6,200
- Product Attributes - Intake Duration at 050 inch Lift
- 242
- Product Attributes - Exhaust Duration at 050 inch Lift
- 248
- Product Attributes - Duration at 050 inch Lift
- 242 int./248 exh.
- Product Attributes - Advertised Intake Duration
- 296
- Product Attributes - Advertised Exhaust Duration
- 302
- Product Attributes - Advertised Duration
- 296 int./302 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.566 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.566 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.566 int./0.566 exh.
- Product Attributes - Lobe Separation (degrees)
- 112
- Product Attributes - Remanufactured
- No
- Product Attributes - Computer-Controlled Compatible
- No
- Product Attributes - Grind Number
- CB XM 296HR-12
- Product Attributes - Valve Springs Required
- Yes
- Product Attributes - Quantity
- Sold individually.
- Product Attributes - Notes
- Designed for marine use. Requires thrust button and wear plate.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | cca11-456-8 |
| SFX Item ID | 4118453 |
| Supplier Item Code | 4118453 |
| Manufacturer SKU | 11-456-8 |
| Manufacturer UPC | 36584038542 |
| Alternative References | c10, s10, COM11-456-8, 296HR-12 |
Brochures
Compatibility
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Loading compatibility information...
