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COMP Cams Camshaft CB XS268S-10

SKU: CCA11-676-4

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB XS268S-10

SKU: CCA11-676-4

Camshafts

CCA Camshafts...

A$701.08
Limited Availability from MFR In stock at 1 location (only 1 available)

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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.

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.

Product Details

Advertised Exhaust Duration:274
Advertised Intake Duration:268
Amazon ASIN:B000P5933K
Assembly Lubricant Included:Yes
Basic Operating RPM Range:1,600-6,000
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:Solid Flat Tappet
Cam and Lifter Kit Upgrade:CL11-676-4
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 230/236 Solid Flat Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:236
Exhaust Duration at .050 inch Lift:236
Exhaust Duration:274
Exhaust Valve Lift(in):0.568
Exhaust Valve Lift:0.568
Grind Number:XS268S
Intake Duration @ .050 in.:230
Intake Duration at .050 Inch Lift:230
Intake Duration:268
Intake Valve Lift(in):0.553
Intake Valve Lift:0.553
K-Kit Upgrade:K11-676-4
Lifter Type:Solid Flat Tappet
Lifters Included:No
Lobe Separation:110
Part Number:cca11-676-4
RPM Range:1000-7000
SK-Kit Upgrade:SK11-676-4
Title:Xtreme Energy 230/236 Solid Flat Cam for Chevrolet Big Block 396-454
Usage:Street/Performance
Valve Springs Required:Yes

Application Summary

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:49:25

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-676-4
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Xtreme Energy Camshafts
Product Attributes - UPC
036584070320
Product Attributes - Cam Style
Solid flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
1,600-6,000
Product Attributes - Intake Duration at 050 inch Lift
230
Product Attributes - Exhaust Duration at 050 inch Lift
236
Product Attributes - Duration at 050 inch Lift
230 int./236 exh.
Product Attributes - Advertised Intake Duration
268
Product Attributes - Advertised Exhaust Duration
274
Product Attributes - Advertised Duration
268 int./274 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.553 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.568 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.553 int./0.568 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Intake Valve Lash
0.016 in.
Product Attributes - Exhaust Valve Lash
0.019 in.
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
CB XS268S-10
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-676-4
SFX Item ID 4118497
Supplier Item Code 4118497
Manufacturer SKU 11-676-4
Manufacturer UPC 36584070320
Alternative References c10, s10, COM11-676-4, XS268S-10

Compatibility

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

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