My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 54-428-11 XFI RPM Hi-Lift 228/230 Hydraulic Roller Camshaft for GM LS Gen III/IV

(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

54-428-11
8 reviews
Sale Price

$404.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 54-428-11 XFI RPM Hi-Lift hydraulic roller camshaft is engineered specifically for GM LS Gen III and Gen IV engines, delivering excellent mid-range to top-end power gains. This performance camshaft features aggressive 228/230 duration specifications that provide a noticeable improvement in horsepower and torque while maintaining good driveability characteristics.

Key Specifications:

  • Advertised Duration: 228° intake / 230° exhaust
  • Hydraulic roller design for reduced friction and improved valvetrain stability
  • Hi-Lift profile optimized for RPM performance applications
  • Direct-fit replacement for GM LS Gen III/IV engines (4.8L, 5.3L, 5.7L, 6.0L, 6.2L)
  • XFI RPM profile series designed for street/strip performance
  • Compatible with stock valve springs and components in most applications

Performance Benefits:

  • Improved throttle response and acceleration
  • Enhanced mid-range to high-RPM power delivery
  • Aggressive performance sound with choppy idle
  • Excellent choice for vehicles with headers, intake, and tuning modifications

This camshaft is ideal for performance enthusiasts looking to extract more power from their LS-equipped vehicle while maintaining hydraulic roller reliability. Professional installation and computer tuning are recommended for optimal performance and drivability.

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

Basic Operating RPM Range

2,200-7,200

Grind Number

XR281HR

Engine Family

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

Intake Valve Lift

0.571

Exhaust Valve Lift

0.573

Cam and Lifter Kit Upgrade

CL54-428-11

MSE Process Video Link

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

K-Kit Upgrade

K54-428-11

Camshaft Series

XFI RPM Hi-Lift

AMAZON ASIN

B0014F6FOK

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

112

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

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

230

Intake Duration at .050 Inch Lift

228

Cam Type

Hydraulic Roller

Camshaft Material

Billet Steel

Advertised Exhaust Duration

283

Advertised Intake Duration

281

this is my new home... very cool site, beat summit and jegs by $20 to $30

Great customer service. Fast order processing. Hassle free transaction.

Very fast shipping, received it Monday when I ordered it on Thursday. Thanks!

Thanks Autoplicity you had the best prices I could find, fast shipping, and everything I ordered was exactly what I was looking for! Great Customer Service!

I found my part easily (vent visors), checkout was simple, and I was notified the very next day that my item has been sent. The price (including shipping) was way lower than anywhere else online or in town.

Good

Great service and communication. Once it was shipped, I was able to track my item. Best price I could find on the internet!! Would definitely do business with anytime.

Fantastic ! Ordered a Weather Tech Cargo Liner for my 2012 Ford Explorer. Price was $60 less here than ALL other sites on web. I was skeptical that this was going to be a counterfeit -- as the price was too good to be true. I was extremely happy to receive the genuine product as I expected in less than a week -- and for $60 less than the competitors ! GREAT VALUE and great service ! I will definitely be back !!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy