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COMP Cams 54-472-11 LSR Hydraulic Roller Camshaft 243/259 Duration for GM LS Engines

(Chevrolet Silverado 1500 1999-2013, Suburban 1500 2000-14, Camaro 2010-16, Corvette 2005-13, Silverado 2500 HD 2010-19, Tahoe 2000-14 + 52 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

54-472-11
15 reviews
Sale Price

$500.95

Estimated ship date Thursday, November 19

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Product Details

The COMP Cams 54-472-11 is a hydraulic roller camshaft designed specifically for GM LS Gen III/IV engines with rectangular port cylinder heads. This LSR (LS Race) series camshaft delivers a performance-oriented profile with 243 degrees of intake duration and 259 degrees of exhaust duration, providing excellent mid-range to top-end power gains ideal for street/strip applications.

Key Specifications:

  • Intake Duration: 243 degrees at .050" lift
  • Exhaust Duration: 259 degrees at .050" lift
  • Hydraulic roller design for reduced friction and improved durability
  • Designed for rectangular port cylinder heads (243, 799, 317, LS6, etc.)
  • Compatible with GM LS Gen III and Gen IV engines
  • Requires aftermarket valve springs and supporting valvetrain components

Performance Benefits:

  • Aggressive camshaft profile optimized for performance builds
  • Enhanced throttle response and power delivery
  • Choppy idle quality that provides a true performance sound
  • Ideal for applications with aftermarket cylinder heads, intake manifolds, and exhaust systems

This camshaft is designed for enthusiasts looking to maximize the performance potential of their LS-powered vehicle. Professional installation and proper tuning are recommended to achieve optimal results. May require upgraded valve springs, pushrods, and tuning for proper operation.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2013, Suburban 1500 2000-14, Camaro 2010-16, Corvette 2005-13, Silverado 2500 HD 2010-19, Tahoe 2000-14, Impala 2006-09, Colorado 2009-12, Trailblazer 2006-08, Caprice 2011-16, Monte Carlo 2006-07 + 47 more models

Advertised Intake Duration

293

Basic Operating RPM Range

2,600-7,200

Engine Family

GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)

Exhaust Valve Lift

0.624

Intake Valve Lift

0.624

Intake Duration at .050 Inch Lift

243

Exhaust Duration at .050 inch Lift

259

Grind Number

293LrR HR14

MSE Process Video Link

https://www.youtube.com/watch?v=hTyIQxrPCCI

Camshaft Series

LSR Rectangular Port All Out Power

AMAZON ASIN

B001P1Z99K

Assembly Lubricant Included

No

Lifters Included

No

Valve Springs Required

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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. 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.

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

114

Lifter Type

Hydraulic Roller

Cam Type

Hydraulic Roller

Camshaft Material

Billet Steel

Advertised Exhaust Duration

309

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