COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit Gen IV LS Truck Engines

Name: COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit Gen IV LS Truck Engines
Brand: COMP Cams
SKU: CPC-MK5470111
Price: 1353.95 USD
Availability: InStock
Rating: 4.0 (7 reviews)

(Chevrolet Silverado 1500 2007-12, Suburban 1500 2007-12, Silverado 2500 HD 2009-12, Tahoe 2007-12, Colorado 2009-12, Trailblazer 2007-09 + 28 more models)

Manufacturer

Part Number

MK54-701-11

7 reviews

Sale Price

$1,353.95

In Stock (7)

Usually delivered within 2 days

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Show details for COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit Gen IV LS Truck Engines

COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit Gen IV LS Truck Engines — image 1

Product Details

The COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit is specifically engineered for Gen IV LS truck engines, including 4.8L, 5.3L, and 6.0L applications. This comprehensive master kit delivers the signature Thumpr aggressive idle sound and improved performance characteristics that have made the Thumpr line a favorite among LS enthusiasts.

Key Features:

Complete master kit includes camshaft, valve springs, steel retainers, locks, seals, and assembly lube
Stage 1 specifications optimized for street performance and drivability
Designed specifically for Gen IV LS truck engines (4.8L/5.3L/6.0L platforms)
Thumpr profile produces distinctive choppy idle with excellent throttle response
Improved mid-range torque and horsepower over stock camshaft
Compatible with factory fuel injection and computer systems
Includes premium valve train components for reliable operation

This kit provides everything needed for a complete camshaft upgrade, eliminating the guesswork of component matching. The Stage 1 Thumpr profile offers an ideal balance of performance gains and street manners, making it perfect for daily-driven trucks that want more aggressive sound and improved power without sacrificing reliability. Professional installation and proper tuning are recommended to maximize performance and ensure proper engine operation.

Products specifications

Fits

Chevrolet Silverado 1500 2007-12, Suburban 1500 2007-12, Silverado 2500 HD 2009-12, Tahoe 2007-12, Colorado 2009-12, Trailblazer 2007-09, Avalanche 2007-12, Silverado 3500 HD 2009-12, Express 3500 2007-12, Express 2500 2007-12 + 24 more models

Basic Operating RPM Range

1,800-6,400

Locks Included

Yes

Pushrods Included

Yes

Retainers Included

Yes

Engine Family

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

Exhaust Valve Lift

0.536

Intake Valve Lift

0.541

Kit Type

MK-Kit

Recommended Upgraded Stock Rocker Arms

1477-16

Recommended Max-Lift BSR Shaft Rocker System

1981-16

Grind Number

276LTH12

Recommended Cam Install Kit

5621

Estimated Horsepower Gain with Kit

AMAZON ASIN

B07MC8XLDV

Timing Set Included

Yes

Valve Seals Included

Yes

Valve Spring Seats Included

Yes

Assembly Lubricant Included

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?

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

Camshaft Gear Attachment

3-Bolt

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

233

Cam Type

Hydraulic Roller

Lifters Included

Yes

Stage

Usage

Street / Performance

Camshaft Material

Billet Steel

Advertised Exhaust Duration

295

Valve Springs Included

Yes

Intake Duration at .050 Inch Lift

222

Advertised Intake Duration

276

Camshaft Series

Thumpr NSR (No Springs Required)

Great experience, price, and fast shipping.

product was as shown

ron n

Super easy

Liliana B

Easy to find part needed.

Melissa D

Overall gods experience

Andrea S

It was easy to place the order and delivery of order was prompt (within 3 days).

Joseph M

Easy to use site and best price I could find!!!

Brian T

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COMP Cams MK54-701-11 Stage 1 Thumpr Master Cam Kit Gen IV LS Truck Engines

Product Details

Products specifications

Fits

Basic Operating RPM Range

Locks Included

Pushrods Included

Retainers Included

Engine Family

Exhaust Valve Lift

Intake Valve Lift

Kit Type

Recommended Upgraded Stock Rocker Arms

Recommended Max-Lift BSR Shaft Rocker System

Grind Number

Recommended Cam Install Kit

Estimated Horsepower Gain with Kit

AMAZON ASIN

Timing Set Included

Valve Seals Included

Valve Spring Seats Included

Assembly Lubricant Included

LOBE SEPARATION

Prop 65

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

C.A.R.B. Exempt for On-Road Vehicles?

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Gaskets Included

Camshaft Gear Attachment

Lifter Type

Exhaust Duration at .050 inch Lift

Cam Type

Lifters Included

Stage

Usage

Camshaft Material

Advertised Exhaust Duration

Valve Springs Included

Intake Duration at .050 Inch Lift

Advertised Intake Duration

Camshaft Series

Return Policy

Returns are easy at Autoplicity

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