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COMP Cams K54-448-11 XFI XE-R Hydraulic Roller Camshaft K-Kit for GM LS Gen III/IV - 238/240

(Chevrolet Silverado 1500 1999-2013, Suburban 1500 2000-14, Camaro 1998-2002, 2010-16, Corvette 1997-2013, Silverado 2500 HD 2010-19 + 58 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K54-448-11
7 reviews
Sale Price

$1,317.95

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams K54-448-11 is a complete XFI XE-R series hydraulic roller camshaft K-Kit designed specifically for GM LS Gen III and Gen IV engines. This comprehensive performance upgrade delivers 238/240 degrees of advertised duration, providing improved mid-range torque and horsepower gains perfect for street/strip applications.

Complete K-Kit Includes Everything You Need:

  • XFI XE-R hydraulic roller camshaft with 238/240 duration profile
  • High-performance hydraulic roller lifters engineered for LS engines
  • Beehive valve springs with increased seat pressure for hydraulic roller applications
  • Steel retainers and valve locks for reliable valve train operation
  • Premium valve stem seals for proper oil control
  • Timing chain set with precision components
  • Assembly lubricant for proper break-in
  • Installation instructions and COMP Cams decals

Key Specifications:

  • Camshaft Type: Hydraulic roller
  • Advertised Duration: 238°/240° (intake/exhaust)
  • Valve Lift: Optimized for stock LS rocker arm ratio
  • LSA (Lobe Separation Angle): Designed for broad power band
  • Recommended RPM Range: 1,800-6,000 RPM

This XFI XE-R camshaft profile is ideal for enthusiasts seeking a noticeable performance increase with excellent street manners and drivability. The kit is compatible with stock torque converters and rear gear ratios, making it an excellent choice for daily-driven performance vehicles. Professional installation and proper tuning are recommended to maximize performance gains.

Applications: GM LS Gen III engines (LS1, LS6, LR4, LM7, L59, LQ4, LQ9) and Gen IV engines (LS2, LS3, L76, L92, L99, LY2, LY5, LY6, LC9, LMG, LH6, LMF) found in 1997-2015+ Chevrolet, Pontiac, Cadillac, and GMC vehicles.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2013, Suburban 1500 2000-14, Camaro 1998-2002, 2010-16, Corvette 1997-2013, Silverado 2500 HD 2010-19, Tahoe 2000-14, Impala 2006-09, Colorado 2009-12, Trailblazer 2006-08, Caprice 2011-17 + 53 more models

Intake Valve Lift

0.605

Exhaust Valve Lift

0.609

Basic Operating RPM Range

2,800-7200

MSE Process Video Link

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

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B005H89TT8

Usage

Street/Performance

Assembly Lubricant Included

No

LOBE SEPARATION

112

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.

Gaskets Included

No

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

240

Intake Duration at .050 Inch Lift

238

Cam Type

Hydraulic Roller

Lifters Included

Yes

Camshaft Material

Billet Steel

Advertised Exhaust Duration

289

Valve Springs Included

Yes

Advertised Intake Duration

287

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