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COMP Cams Camshaft Kit LS1 XEr287HR-12

SKU: CCAK54-448-11

Camshaft Kits

CCA Camshaft Kits...

COMP Cams Camshaft Kit LS1 XEr287HR-12

SKU: CCAK54-448-11

Camshaft Kits

CCA Camshaft Kits...

A$2,896.04
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 LS1 XEr287HR-12

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

Xtreme Energy XE-R design for large cubic inch LS6 and LS1.

Application Summary

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

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
• Timing Chain Set
• Assembly Lube
• Decals
• Instructions

Additional Application Notes
• Hyd. Roller; 2800-7200rpm; Adv. Dur. 287 Int./289 Exh.; V. Lift .605 Int./.609 Exh.; Lobe Angle 112 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 21:16:34

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:289
Advertised Intake Duration:287
Amazon ASIN:B005H89TT8
Assembly Lubricant Included:No
Basic Operating RPM Range:2,800-7200
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 Material:Billet Steel
Description:XFI XE-R 238/240 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Exhaust Duration @ .050 in.:240
Exhaust Duration at .050 inch Lift:240
Exhaust Duration:289
Exhaust Valve Lift(in):0.609
Exhaust Valve Lift:0.609
Gaskets Included:No
Intake Duration @ .050 in.:238
Intake Duration at .050 Inch Lift:238
Intake Duration:287
Intake Valve Lift(in):0.605
Intake Valve Lift:0.605
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
MSE Process Video Link:https://www.youtube.com/watch?v=hTyIQxrPCCI
Part Number:ccaK54-448-11
RPM Range:2800-7200
Title:XFI XE-R 238/240 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Usage:Street/Performance
Valve Springs 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 19:11:05

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU ccaK54-448-11
SFX Item ID 4124126
Accounting SKU cca-K54-448-11
Manufacturer SKU K54-448-11
Manufacturer UPC 036584199892
Alternative References CCA-K54-448-11, K54-448-11

Camshaft, Lifters, Hydraulic Roller Tappet, Adv. Duration 287/289, Lift .605/.609 in., Chevy, Small Block, Kit

COMP Cams XFI XE-R cam and lifter kits offer extreme fuel injection and extreme energy. Their aggressive lobe design is made for your "all-out" applications. Tuned for EFI, these XFI XE-R cam kits provide a terrific increase in performance and include matching lifters for the ultimate in performance. When you're running all-out, you need the most aggressive cam lobes--install COMP Cams XFI XE-R cam and lifter kits.

Product Attributes
BrandCOMP Cams
Manufacturer's Part NumberK54-448-11
Part TypeCamshaft Kits
Product LineCOMP Cams XFI XE-R Cam and Lifter Kits
UPC036584199892
Cam StyleHydraulic roller, OE roller
Basic Operating RPM Range2,800-7,200
Camshaft UseStreet/Strip
Intake Duration at 050 inch Lift238
Exhaust Duration at 050 inch Lift240
Duration at 050 inch Lift238 int./240 exh.
Advertised Intake Duration287
Advertised Exhaust Duration289
Advertised Duration287 int./289 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.605 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.609 in.
Valve Lift with Factory Rocker Arm Ratio0.605 int./0.609 exh.
Grind NumberXER287HR
Computer-Controlled CompatibleYes
Lifters IncludedYes
Lifter StyleHydraulic roller
Valve Springs IncludedYes
Retainers IncludedYes
Locks IncludedYes
Valve Stem Seals IncludedYes
Timing Chain and Gears IncludedNo
Assembly Lubricant IncludedYes
Pushrods IncludedNo
Rocker Arms IncludedNo
Gaskets IncludedNo
Valve Springs RequiredNo
QuantitySold as a kit.
NotesDesigned for large cu. in. engines.

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