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COMP Cams Camshaft P8 XE294H-10

SKU: CCA51-226-4

Camshafts

CCA Camshafts...

COMP Cams Camshaft P8 XE294H-10

SKU: CCA51-226-4

Camshafts

CCA Camshafts...

A$702.12
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

XE 250/256 HFTPont

Xtreme Energy 250/256 Hydraulic Flat Tappet Cam for Pontiac 265-455 Pro Street/bracket racing. Good intake, headers, Gears and a 3500+ stall.

Additional Information

Pro Street/Bracket, good intake, headers, gear, 3500+ stall.

Application Summary

Pontiac 265-455 V8

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.

Additional Application Notes
• Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ V Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ R Engine VIN;
• w/ R Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ V Engine VIN;
• w/ X Engine VIN; w/ T Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ X Engine VIN; w/ T Engine VIN;
• w/ T Engine VIN;
• w/ T Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ Z Engine VIN; w/ N Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ Z Engine VIN; w/ N Engine VIN;
• w/ K Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 2800-6500rpm; Adv. Dur. 294 Int./306 Exh.; Valve Lift .519 Int./.524 Exh.; Lobe Angle 110 deg.;
• w/ K Engine VIN;

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-07 21:22:50

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:306
Advertised Intake Duration:294
Amazon ASIN:B001R9FLDO
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,800-6500
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 Flat Tappet
Cam and Lifter Kit Upgrade:CL51-226-4
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 250/256 Hydraulic Flat Cam for Pontiac 265-455
Engine Family:Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration @ .050 in.:256
Exhaust Duration at .050 inch Lift:256
Exhaust Duration:306
Exhaust Valve Lift(in):0.524
Exhaust Valve Lift:0.524
Grind Number:XE294H
Intake Duration @ .050 in.:250
Intake Duration at .050 Inch Lift:250
Intake Duration:294
Intake Valve Lift(in):0.519
Intake Valve Lift:0.519
K-Kit Upgrade:K51-226-4
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Part Number:cca51-226-4
RPM Range:2000-9000
SK-Kit Upgrade:SK51-226-4
Title:Xtreme Energy 250/256 Hydraulic Flat Cam for Pontiac 265-455
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 19:04:27

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca51-226-4
SFX Item ID 4120550
Accounting SKU cca-51-226-4
Manufacturer SKU 51-226-4
Manufacturer UPC 036584047384
Alternative References 51-226-4, CCA-51-226-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 294/306, Lift .519/.524, Pontiac, V8, Each

COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. Whether your use is off-roading, towing, or street performance, there's an Xtreme Energy cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers—while delivering increased engine vacuum. Hundreds of models are available for fitment on vehicles from 1955 to the present. Select the cam designed for your application.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number51-226-4
Part TypeCamshafts
Product LineCOMP Cams Xtreme Energy Camshafts
UPC036584047384
Cam StyleHydraulic flat tappet
Camshaft UseStreet/Strip
Basic Operating RPM Range2,800-6,500
Intake Duration at 050 inch Lift250
Exhaust Duration at 050 inch Lift256
Duration at 050 inch Lift250 int./256 exh.
Advertised Intake Duration294
Advertised Exhaust Duration306
Advertised Duration294 int./306 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.519 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.524 in.
Valve Lift with Factory Rocker Arm Ratio0.519 int./0.524 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberP XE294H-10
Valve Springs RequiredYes
QuantitySold individually.

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