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COMP Cams Camshaft CB XR258HR-10

SKU: CCA11-408-8

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB XR258HR-10

SKU: CCA11-408-8

Camshafts

CCA Camshafts...

A$1,174.55
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

XE 206/212 HRlrBBC

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

Strong torque, good mileage, RV and towing.

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.

Data: v4.2 - Upd: 2026-11-07 21:25:50

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:264
Advertised Intake Duration:258
Amazon ASIN:B000P5D7OQ
Assembly Lubricant Included:No
Basic Operating RPM Range:1,000-5,000
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:Hydraulic Roller
Cam and Lifter Kit Upgrade:CL11-408-8
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 206/212 Hydraulic Roller Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:212
Exhaust Duration at .050 inch Lift:212
Exhaust Duration:264
Exhaust Valve Lift(in):0.51
Exhaust Valve Lift:0.51
Grind Number:XR258HR
Intake Duration @ .050 in.:206
Intake Duration at .050 Inch Lift:206
Intake Duration:258
Intake Valve Lift(in):0.510
Intake Valve Lift:0.51
K-Kit Upgrade:K11-408-8
Lifter Type:Hydraulic Roller
Lifters Included:No
Part Number:cca11-408-8
RPM Range:1000-7000
SK-Kit Upgrade:SK11-408-8
Title:Xtreme Energy 206/212 Hydraulic 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.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:00:16

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca11-408-8
SFX Item ID 4118435
Accounting SKU cca-11-408-8
Manufacturer SKU 11-408-8
Manufacturer UPC 036584024811
Alternative References 11-408-8, CCA-11-408-8

Camshaft, Hydraulic Roller Tappet, Advertised Duration 258/264, Lift .510/.510, Chevy, Big Block, Each

COMP Cams Xtreme Energy retrofit camshafts are built to take advantage of the latest cam technology—and provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy cam available for you. By using an aggressive lobe profile, these hydraulic roller tappet cams provide better throttle response, engine vacuum, and top-end horsepower than equivalent cams from other manufacturers. Choose the model and options designed for your engine application.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number11-408-8
Part TypeCamshafts
Product LineCOMP Cams Xtreme Energy Retrofit Camshafts
UPC036584024811
Cam StyleHydraulic roller, Retro-fit
Camshaft UseStreet/Strip
Basic Operating RPM Range1,000-5,000
Intake Duration at 050 inch Lift206
Exhaust Duration at 050 inch Lift212
Duration at 050 inch Lift206 int./212 exh.
Advertised Intake Duration258
Advertised Exhaust Duration264
Advertised Duration258 int./264 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.510 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.510 in.
Valve Lift with Factory Rocker Arm Ratio0.510 int./0.510 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberXR258HR
Valve Springs RequiredYes
QuantitySold individually.

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