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COMP Cams 54-460-11 LSR Cathedral Port Hydraulic Roller Camshaft GM LS - 235/243

(Chevrolet Silverado 1500 1999-2013, Suburban 1500 2000-14, Camaro 2010-16, Corvette 2005-13, Silverado 2500 HD 2010-19, Tahoe 2000-14 + 55 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

54-460-11
7 reviews
Sale Price

$404.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams 54-460-11 LSR (Xtreme Energy) hydraulic roller camshaft is specifically engineered for GM LS Gen III/IV engines with cathedral port cylinder heads. This performance camshaft delivers a powerful combination of increased torque and horsepower while maintaining excellent street manners and drivability.

Camshaft Specifications:

  • Duration at 0.050": 235° intake / 243° exhaust
  • Valve lift: 0.624" intake / 0.624" exhaust (with 1.7 ratio rockers)
  • LSA (Lobe Separation Angle): 112°
  • Hydraulic roller design for reduced friction and maintenance-free operation
  • Designed for cathedral port LS1, LS2, LS6 cylinder heads

Key Features:

  • Optimized for GM LS Gen III/IV engines including LS1, LS2, and LS6 applications
  • Aggressive idle with noticeable lope character
  • Excellent power range from 2,000-6,200 RPM
  • Requires upgraded valve springs (not included)
  • Compatible with stock fuel injection and computer systems
  • Ideal for street/strip applications and forced induction builds

This camshaft is part of COMP Cams' legendary Xtreme Energy line, engineered using advanced lobe profiles that maximize area under the lift curve for superior performance. Professional installation and proper valvetrain setup are recommended to achieve optimal results.

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 2011-17, Monte Carlo 2006-07 + 50 more models

Advertised Exhaust Duration

293

Basic Operating RPM Range

2,200-7,200

Engine Family

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

Intake Valve Lift

0.621

Exhaust Valve Lift

0.624

Grind Number

285LR HR-13

MSE Process Video Link

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

Camshaft Series

LSR Cathedral Port All Out Power

AMAZON ASIN

B002EE2EAY

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

113

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

243

Intake Duration at .050 Inch Lift

235

Cam Type

Hydraulic Roller

Camshaft Material

Billet Steel

Advertised Intake Duration

285

Great price for the item. Both internet and phone conversations were quick and knowledgeable.

Great products offered at an amazing price! Quick response times and shipping. Will do business with Autoplicity again!

Fine

Fast service purchased from them many times no problems and usually have coupon codes!! Will do buissiness with again.

the prices were great lowest i found on the net and the shipping is fast

Great price, good e-mail communication and fast shipping. Positive experience with Autoplicity so far.

Cheapest price by far, not the speediest shipment unfortunately.

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