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COMP Cams Camshaft Kit LS1 XR277HR-12

SKU: CCAK54-418-11

Engine Camshaft Kit

CCA Camshaft Kits

COMP Cams Camshaft Kit LS1 XR277HR-12

SKU: CCAK54-418-11

Engine Camshaft Kit

CCA Camshaft Kits

A$2,463.94
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:281
Advertised Intake Duration:277
Amazon ASIN:B005H89TNY
Assembly Lubricant Included:No
Basic Operating RPM Range:2,000-6,800
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 224/228 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Exhaust Duration @ .050 in.:228
Exhaust Duration at .050 inch Lift:228
Exhaust Duration:281
Exhaust Valve Lift(in):0.537
Exhaust Valve Lift:0.537
Gaskets Included:No
Intake Duration @ .050 in.:224
Intake Duration at .050 Inch Lift:224
Intake Duration:277
Intake Valve Lift(in):0.534
Intake Valve Lift:0.534
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:ccaK54-418-11
RPM Range:2000-6800
Title:XFI RPM 224/228 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: 2026-10-12 07:33:28

Specifications

Advertised Exhaust Duration:
281
Advertised Intake Duration:
277
Amazon ASIN:
B005H89TNY
Assembly Lubricant Included:
No
Basic Operating RPM Range:
2,000-6,800
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 224/228 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Exhaust Duration @ .050 in.:
228
Exhaust Duration at .050 inch Lift:
228
Exhaust Duration:
281
Exhaust Valve Lift(in):
0.537
Exhaust Valve Lift:
0.537
Gaskets Included:
No
Intake Duration @ .050 in.:
224
Intake Duration at .050 Inch Lift:
224
Intake Duration:
277
Intake Valve Lift(in):
0.534
Intake Valve Lift:
0.534
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:
ccaK54-418-11
RPM Range:
2000-6800
Title:
XFI RPM 224/228 Hydraulic Roller Cam K-Kit for GM LS GEN III/IV
Usage:
Street/Performance
Valve Springs Included:
Yes

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK54-418-11
SFX Item ID 4124120
Supplier Item Code 4124120
Manufacturer SKU K54-418-11
Manufacturer UPC 36584199830
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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