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COMP Cams Camshaft LS1 273Lr HR-112

SKU: CCA54-457-11

Camshafts

CCA Camshafts

COMP Cams Camshaft LS1 273Lr HR-112

SKU: CCA54-457-11

Camshafts

CCA Camshafts

Sale ends in Calculating...

A$854.47 A$1,240.11
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Hydraulic Roller: Steady power throughout broad range. Needs aftermarket airflow improvements on inlet and exhaust.

Product Overview

*LSR Camshafts* * Take advantage of today’s newer and better flowing aftermarket cylinder heads * Feature higher exhaust duration and overall lift to provide broadest powerband and most top end power of any COMP Cams LS camshaft * Unique grinds for both cathedral & rectangle port heads * Require 26926-16 high pressure valve springs

Product Details

Advertised Exhaust Duration:281
Advertised Intake Duration:273
Amazon ASIN:B002EE2GA2
Assembly Lubricant Included:No
Basic Operating RPM Range:1,700-6,800
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 Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:LSR Cathedral Port Small Displacement/Max Torque
Description:LSR Cathedral Port 223/231 Hydraulic Roller Cam for GM LS GEN III/IV
Engine Family:GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Exhaust Duration @ .050 in.:231
Exhaust Duration at .050 inch Lift:231
Exhaust Duration:281
Exhaust Valve Lift(in):0.617
Exhaust Valve Lift:0.617
Grind Number:273Lr HR12
Intake Duration @ .050 in.:223
Intake Duration at .050 Inch Lift:223
Intake Duration:273
Intake Valve Lift(in):0.610
Intake Valve Lift:0.61
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:112
MSE Process Video Link:https://www.youtube.com/watch?v=hTyIQxrPCCI
Part Number:cca54-457-11
RPM Range:1700-6800
Title:LSR Cathedral Port 223/231 Hydraulic Roller Cam for GM LS GEN III/IV
Usage:Street/Performance
Valve Springs Required: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

Data: v4.2 - Upd: 2026-09-27 16:41:17

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
54-457-11
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams LSR Series Hydraulic Roller Camshafts
Product Attributes - UPC
036584195214
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
1,700-6,800
Product Attributes - Intake Duration at 050 inch Lift
223
Product Attributes - Exhaust Duration at 050 inch Lift
231
Product Attributes - Duration at 050 inch Lift
223 int./231 exh.
Product Attributes - Advertised Intake Duration
273
Product Attributes - Advertised Exhaust Duration
281
Product Attributes - Advertised Duration
273 int./281 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.610 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.617 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.610 int./0.617 exh.
Product Attributes - Lobe Separation (degrees)
112
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
Yes
Product Attributes - Grind Number
273LRHR12
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for small cu. in. engines. Cannot use stock springs. Requires custom computer tuning. Better flowing exhaust and intake is recommended.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca54-457-11
SFX Item ID 4120666
Supplier Item Code 4120666
Manufacturer SKU 54-457-11
Manufacturer UPC 36584195214
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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