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COMP Cams Camshaft LS1 301Lrr HR-115

SKU: CCA54-474-11

Camshafts

CCA Camshafts

COMP Cams Camshaft LS1 301Lrr HR-115

SKU: CCA54-474-11

Camshafts

CCA Camshafts

Sale ends in Calculating...

A$863.25 A$1,291.93
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: 420+ c.i., high compression, high rpm, rectangular CNC-ported heads in Race type Applications.

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:317
Advertised Intake Duration:301
Amazon ASIN:B001P24PNA
Assembly Lubricant Included:No
Basic Operating RPM Range:2,600-7,000
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 Rectangular Port Large Displacement
Description:LSR Rectangular Port 251/267 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.:267
Exhaust Duration at .050 inch Lift:267
Exhaust Duration:317
Exhaust Valve Lift(in):0.624
Exhaust Valve Lift:0.624
Grind Number:301LRR HR15
Intake Duration @ .050 in.:251
Intake Duration at .050 Inch Lift:251
Intake Duration:301
Intake Valve Lift(in):0.624
Intake Valve Lift:0.624
Lifter Type:Hydraulic Roller
Lifters Included:No
Lobe Separation:115
MSE Process Video Link:https://www.youtube.com/watch?v=hTyIQxrPCCI
Part Number:cca54-474-11
RPM Range:2600-7000
Title:LSR Rectangular Port 251/267 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 16:41:18

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
54-474-11
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams LSR Series Hydraulic Roller Camshafts
Product Attributes - UPC
036584195368
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Camshaft Use
Racing
Product Attributes - Basic Operating RPM Range
2,600-7,000
Product Attributes - Intake Duration at 050 inch Lift
251
Product Attributes - Exhaust Duration at 050 inch Lift
267
Product Attributes - Duration at 050 inch Lift
251 int./267 exh.
Product Attributes - Advertised Intake Duration
301
Product Attributes - Advertised Exhaust Duration
317
Product Attributes - Advertised Duration
301 int./317 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.624 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.624 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.624 int./0.624 exh.
Product Attributes - Lobe Separation (degrees)
115
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
Yes
Product Attributes - Grind Number
301LRRHR15
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Cannot use stock springs. With rectangular CNC port heads on engines over 420 cu. in. Custom computer tuning required.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca54-474-11
SFX Item ID 4120683
Supplier Item Code 4120683
Manufacturer SKU 54-474-11
Manufacturer UPC 36584195368
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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