COMP Cams Camshaft CB XM 308HR-12
COMP Cams Camshaft CB XM 308HR-12
A$1,247.15
Available from MFR.
This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
We accept
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: | 314 |
|---|---|
| Advertised Intake Duration: | 308 |
| Amazon ASIN: | B000P592HW |
| Assembly Lubricant Included: | No |
| Basic Operating RPM Range: | 3,500-6,500 |
| 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: | CL11-461-8 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Austempered Ductile Iron |
| Camshaft Series: | Xtreme Marine |
| Description: | Xtreme Marine 254/260 Hydraulic Roller Cam for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 260 |
| Exhaust Duration at .050 inch Lift: | 260 |
| Exhaust Duration: | 314 |
| Exhaust Valve Lift(in): | 0.575 |
| Exhaust Valve Lift: | 0.575 |
| Grind Number: | XM308HR |
| Intake Duration @ .050 in.: | 254 |
| Intake Duration at .050 Inch Lift: | 254 |
| Intake Duration: | 308 |
| Intake Valve Lift(in): | 0.575 |
| Intake Valve Lift: | 0.575 |
| K-Kit Upgrade: | K11-461-8 |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | No |
| Lobe Separation: | 112 |
| Part Number: | cca11-461-8 |
| RPM Range: | 3000-9000 |
| SK-Kit Upgrade: | SK11-461-8 |
| Title: | Xtreme Marine 254/260 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
- 11-461-8
- Product Attributes - Part Type
- Camshafts
- Product Attributes - Product Line
- COMP Cams Xtreme Marine Camshafts
- Product Attributes - UPC
- 036584038559
- Product Attributes - Cam Style
- Hydraulic roller, Retro-fit
- Product Attributes - Camshaft Use
- Marine
- Product Attributes - Basic Operating RPM Range
- 3,500-6,500
- Product Attributes - Intake Duration at 050 inch Lift
- 254
- Product Attributes - Exhaust Duration at 050 inch Lift
- 260
- Product Attributes - Duration at 050 inch Lift
- 254 int./260 exh.
- Product Attributes - Advertised Intake Duration
- 308
- Product Attributes - Advertised Exhaust Duration
- 314
- Product Attributes - Advertised Duration
- 308 int./314 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.575 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.575 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.575 int./0.575 exh.
- Product Attributes - Lobe Separation (degrees)
- 112
- Product Attributes - Remanufactured
- No
- Product Attributes - Computer-Controlled Compatible
- No
- Product Attributes - Grind Number
- CB XM 308HR-12
- Product Attributes - Valve Springs Required
- Yes
- Product Attributes - Quantity
- Sold individually.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | cca11-461-8 |
| SFX Item ID | 4118455 |
| Supplier Item Code | 4118455 |
| Manufacturer SKU | 11-461-8 |
| Manufacturer UPC | 36584038559 |
| Alternative References | c10, s10, CPC11-461-8, 308HR-12 |
Brochures
Compatibility
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
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