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COMP Cams 54-454-11 LSR Series Hyd. Roller Camshaft, Chevy LS

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#2825445411

COMP Cams 54-454-11 LSR Series Hyd. Roller Camshaft, Chevy LS

Name: COMP Cams 54-454-11 LSR Series Hyd. Roller Camshaft, Chevy LS
Brand: COMP Cams
SKU: 2825445411
Price: 323.96 USD
Availability: LimitedAvailability

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Duration:

277/293 (1,900-7,000 rpm)

281/297269/277 273/281 289/305 277/285 277/293 (2,200-7,000 rpm)

$323.96

/each

In Stock

$404.95

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Product Summary

Hydraulic Roller Tappet Camshaft Type

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Key Specs

Camshaft Type	Hydraulic Roller Tappet
RPM Range	1900-7000
Intake Duration (.050" Lift)	227
Exhaust Duration (.050" Lift)	243
Lobe Separation	113 °

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COMP Cams 54-454-11 Details

COMP Cams LSR Rectangular Port 277LRRHR-13 Camshaft for LS Gen III/IV, Three-Bolt.

All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

Take advantage of today’s newer & better flowing aftermarket cylinder heads
Feature higher exhaust duration & 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-load valve springs

Application

1997-15 Chevy 294-427

Rebates

Edelbrock "Garage Deals" 20% Off Select Parts Sale

Edelbrock "Garage Deals" 20% Off Select Parts Sale, running from August 25, 2026, through August 25, 2027. For a limited time, customers can save up to 20% off on select Edelbrock parts. All claims must be postmarked on or before 30 days from date of purchase. Purchases must be made between August 25, 2026 and August 25, 2027. This limited-time offer applies to qualifying Edelbrock parts purchased during the promotional period.

Guides & Documents

Warranty (COMP Cams)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

COMP Cams 54-454-11 Specifications

KEY SPECS
MFG. Part #	54-454-11
Brand	COMP Cams
Camshaft Type	Hydraulic Roller Tappet
RPM Range	1900-7000
Intake Duration (.050" Lift)	227
Exhaust Duration (.050" Lift)	243
Lobe Separation	113 °

GENERAL
Intake Valve Lift w/ Rocker Arm Ratio	0.614"
Exhaust Valve Lift w/ Rocker Arm Ratio	0.624"
Intake Duration	277
Exhaust Duration	293
Sold in Quantity	Each
Grind Number	277LRR HR13
GTIN Code	036584213758
External Ignition Box Required	Yes
Valve Springs Required	No

Ratings & Reviews

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Fitment

2004 Buick Rainier

GM LM4

2009-2014 Cadillac CTS

GM LSA

2002-2011 Cadillac Escalade

GM LM7
GM LQ9

2012 Cadillac Escalade

6.2 Chevy LS V8

2003-2006 Cadillac Escalade ESV

GM LM7
GM LQ9

2007-2012 Cadillac Escalade ESV

6.2 Chevy LS V8

2002-2006 Cadillac Escalade EXT

GM LM7
GM LQ9

2007-2012 Cadillac Escalade EXT

6.2 Chevy LS V8

2002-2006 Chevy Avalanche 1500

GM LM7

2000-2002 Chevy C1500

4.8 Chevy LS V8
GM LM7
GM LQ4

1999-2014 Chevy Silverado 1500

4.8 Chevy LS V8
GM LM7

2007 Chevy Silverado 1500 Classic

GM LQ4

2001-2003 Chevy Silverado 1500 HD

GM LQ4

2005-2006 Chevy Silverado 1500 HD

GM LQ4

2007 Chevy Silverado 1500 HD

GM LQ9

2007 Chevy Silverado 1500 HD Classic

GM LQ4

2000-2004 Chevy Silverado 2500

GM LM7
GM LQ4

2005 Chevy Silverado 2500

GM LQ9

2001-2011 Chevy Silverado 2500 HD

GM LQ4

2007 Chevy Silverado 2500 HD Classic

GM LQ4

2001-2006 Chevy Silverado 3500

GM LQ4

2007 Chevy Silverado 3500 Classic

GM LQ4

2007-2011 Chevy Silverado 3500 HD

GM LQ4

2003-2004 Chevy SSR

GM LM4

2000-2001 Chevy Suburban 1500

GM LM7

2002-2006 Chevy Suburban 1500

GM L59
GM LM7

2000-2006 Chevy Suburban 2500

GM LQ4

2000-2006 Chevy Tahoe

4.8 Chevy LS V8
GM L59
GM LM7

2007 Chevy Tahoe

4.8 Chevy LS V8

2008 Chevy Tahoe

6.2 Chevy LS V8

2002-2009 GMC Envoy

GM LM4

2002-2006 GMC Envoy XL

GM LM4

2004-2005 GMC Envoy XUV

GM LM4

2001-2005 GMC Savana 1500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006 GMC Savana 1500

4.8 Chevy LS V8
GM L33
GM LM7
GM LQ4

2007-2014 GMC Savana 1500

4.8 Chevy LS V8
GM L33
GM LQ4

2001-2005 GMC Savana 2500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006-2013 GMC Savana 2500

4.8 Chevy LS V8
GM L33
GM LQ4

2002-2005 GMC Savana 3500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006-2013 GMC Savana 3500

4.8 Chevy LS V8
GM L33
GM LQ4

2007 GMC Sierra 1500 Classic

GM L33
GM L59
GM LM7

2001-2003 GMC Sierra 1500 HD

GM LQ4

2005-2006 GMC Sierra 1500 HD

GM LQ4

2007 GMC Sierra 1500 HD Classic

GM LQ4

1999-2001 GMC Sierra 2500

GM LM7
GM LQ4

2002-2004 GMC Sierra 2500

GM LQ4

2001-2011 GMC Sierra 2500 HD

GM LQ4

2007 GMC Sierra 2500 HD Classic

GM LQ4

2001-2006 GMC Sierra 3500

GM LQ4

2007 GMC Sierra 3500 Classic

GM LQ4

2001 GMC Sierra C3

GM LQ4

2000-2011 GMC Yukon

4.8 Chevy LS V8
GM LM7

2000 GMC Yukon XL 1500

GM LM7

2001-2011 GMC Yukon XL 1500

GM L59
GM LM7
GM LQ4

2000-2011 GMC Yukon XL 2500

GM LQ4

2003-2007 Hummer H2

GM LQ4

2008-2009 Hummer H2

6.2 Chevy LS V8