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COMP Cams Camshaft Kit LS1 XR281HR-12

SKU: CCAK54-428-11

Camshaft Kits

CCA Camshaft Kits

COMP Cams Camshaft Kit LS1 XR281HR-12

SKU: CCAK54-428-11

Camshaft Kits

CCA Camshaft Kits

A$2,877.71
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

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.

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

Product Details

Advertised Exhaust Duration:283
Advertised Intake Duration:281
Amazon ASIN:B005H89TQQ
Assembly Lubricant Included:No
Basic Operating RPM Range:2,200-7,200
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:Hydraulic Roller
Camshaft Material:Billet Steel
Description:XFI RPM HI-LIFT 228/230 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Exhaust Duration @ .050 in.:230
Exhaust Duration at .050 inch Lift:230
Exhaust Duration:283
Exhaust Valve Lift(in):0.573
Exhaust Valve Lift:0.573
Gaskets Included:No
Intake Duration @ .050 in.:228
Intake Duration at .050 Inch Lift:228
Intake Duration:281
Intake Valve Lift(in):0.571
Intake Valve Lift:0.571
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:112
MSE Process Video Link:https://www.youtube.com/watch?v=hTyIQxrPCCI
Part Number:ccaK54-428-11
RPM Range:2200-7000
Title:XFI RPM HI-LIFT 228/230 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Usage:Street/Performance
Valve Springs Included:Yes

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

Data: v4.2 - Upd: 2026-09-27 16:44:59

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
K54-428-11
Product Attributes - Part Type
Camshaft Kits
Product Attributes - Product Line
COMP Cams XFI RPM Cam and Lifter Kits
Product Attributes - UPC
036584199861
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Basic Operating RPM Range
2,200-7,200
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Camshaft Manufacturers Description
High RPM street/strip camshaft for use with FAST LSX intake. Requires programmer.
Product Attributes - Intake Duration at 050 inch Lift
228
Product Attributes - Exhaust Duration at 050 inch Lift
230
Product Attributes - Duration at 050 inch Lift
228 int./230 exh.
Product Attributes - Advertised Intake Duration
281
Product Attributes - Advertised Exhaust Duration
283
Product Attributes - Advertised Duration
281 int./283 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.571 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.573 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.571 int./0.573 exh.
Product Attributes - Lobe Separation (degrees)
112
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Grind Number
XR281HR
Product Attributes - Computer-Controlled Compatible
Yes
Product Attributes - Lifters Included
Yes
Product Attributes - Lifter Style
Hydraulic roller
Product Attributes - Valve Springs Included
Yes
Product Attributes - Outside Diameter of Outer Spring (in.)
1.055 in.
Product Attributes - Retainers Included
Yes
Product Attributes - Locks Included
Yes
Product Attributes - Valve Stem Seals Included
Yes
Product Attributes - Timing Chain and Gears Included
No
Product Attributes - Assembly Lubricant Included
Yes
Product Attributes - Pushrods Included
No
Product Attributes - Rocker Arms Included
No
Product Attributes - Gaskets Included
No
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK54-428-11
SFX Item ID 4124123
Supplier Item Code 4124123
Manufacturer SKU K54-428-11
Manufacturer UPC 36584199861
Alternative References ls1, ls2, ls3, ls4, ls6, ls7

Compatibility

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)

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