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COMP Cams Camshaft Kit CBVI XR300HR-10

SKU: CCAK01-425-8

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit CBVI XR300HR-10

SKU: CCAK01-425-8

Camshaft Kits

CCA Camshaft Kits...

A$3,640.70
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

COMP Cams Camshaft Kit CBVI XR300HR-10

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.

Additional Information

Good for Pro Street and bracket racing. Needs 10.5:1+compression, 3500+ stall, very good intake, headers with low gears.

Application Summary

1996-1999 Chevrolet 454/502 GEN VI Big Block

Part Type

Engine Camshaft Kit

Product Overview

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation.

All cam kits are fully tested and manufactured to the strictest standards. Each kit's components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.”

*K-Kit - Complete Kit Includes*
• Camshaft
• Lifters
• Valve Springs
• Retainers
• Valve Locks
• Valve Stem Seals
• Assembly Lube
• Decals
• Instructions

Additional Application Notes
• K-Kit Includes 4514-KT Rocker Arm Adjusting Kit And Pushrods~ Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd Roller;3000-6400rpm;Adv.Dur. 300 Int./306 Exh.;V.Lift .560 Int./.580 Exh.;Lobe 110 deg.;Incl.Cam/V.Sprng/Ret./Lock/Seal/Timing Set;

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 21:17:28

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:300
Amazon ASIN:B001R9BV4C
Assembly Lubricant Included:No
Basic Operating RPM Range:3,000-6400
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
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 248/254 Hydraulic Roller K-Kit Chevrolet Big Block GEN VI
Engine Family:Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)
Exhaust Duration @ .050 in.:254
Exhaust Duration at .050 inch Lift:254
Exhaust Duration:306
Exhaust Valve Lift(in):0.58
Exhaust Valve Lift:0.58
Gaskets Included:No
Intake Duration @ .050 in.:248
Intake Duration at .050 Inch Lift:248
Intake Duration:300
Intake Valve Lift(in):0.560
Intake Valve Lift:0.56
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Part Number:ccaK01-425-8
RPM Range:3000-9000
Timing Chain and Gears Included:Yes
Title:Xtreme Energy 248/254 Hydraulic Roller K-Kit Chevrolet Big Block GEN VI
Usage:Street/Performance
Valve Springs Included:Yes
Valve Stem Seals Included: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 19:09:43

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaK01-425-8
SFX Item ID 4123530
Accounting SKU cca-K01-425-8
Manufacturer SKU K01-425-8
Manufacturer UPC 036584064367
Alternative References CCA-K01-425-8, K01-425-8

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 300/306, Lift .560/.580, Chevy, Big Block

COMP Cams Xtreme Energy cam and lifter kits 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 are Xtreme Energy options available for you. By using an aggressive lobe profile, they provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum. Order the model designed for your vehicle and engine application.

Product Attributes
BrandCOMP Cams
Manufacturer's Part NumberK01-425-8
Part TypeCamshaft Kits
Product LineCOMP Cams Xtreme Energy Cam and Lifter Kits
UPC036584064367
Cam StyleHydraulic roller, OE roller
Basic Operating RPM Range3,200-6,200
Camshaft UseStreet/Strip
Intake Duration at 050 inch Lift248
Exhaust Duration at 050 inch Lift254
Duration at 050 inch Lift248 int./254 exh.
Advertised Intake Duration300
Advertised Exhaust Duration306
Advertised Duration300 int./306 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.560 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.580 in.
Valve Lift with Factory Rocker Arm Ratio0.560 int./0.580 exh.
Grind NumberG6 XR300HR-10
Computer-Controlled CompatibleNo
Lifters IncludedYes
Lifter StyleHydraulic roller
Valve Springs IncludedYes
Outside Diameter of Outer Spring (in.)1.437 in.
Retainers IncludedYes
Locks IncludedYes
Valve Stem Seals IncludedYes
Timing Chain and Gears IncludedYes
Timing Chain StyleDouble roller
Assembly Lubricant IncludedNo
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredNo
QuantitySold as a kit.

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