COMP Cams

Stage 2 Thumpr Master Cam Kit for GEN IV LS 4.8/5.3/6.0L Trucks

Part Number MK54-703-11 (132739707)

UPC: 36584387657

Package contents: 1 Kit per Box

Select vehicle for guaranteed fit

$1,820.24

Out of stock

Description

The Stage 2 Thumpr Master Cam Kit for LS GEN IV 5.3-6.0L provides an awesome idle lope in modified 5.3L & 6.0L trucks. Includes lifters, timing set, pushrods, dual springs, retainers, locks, spring seats and valve seals.

COMP Cams® is the leading American manufacturer of high-quality, performance-based internal engine components, including camshafts, valve springs, rocker arms, lifters, pushrods, and other valve train components. We help our customers with innovative technological advancements through extensive research and development. Our quality workmanship and engineering ensure confidence for racers and street performance enthusiasts. COMP Cams is a proud member of the Edelbrock Group family of brands, which include Edelbrock®, FAST® (Fuel Air Spark Technology), TCI® Automotive, Russell® Performance and Lunati Power®. Headquartered in Olive Branch, Mississippi, COMP Cams remains an innovative American company focused on results-driven technology and superior customer support. We believe in the automotive lifestyle and continue to support the passion for our American pastime. For more information about the Edelbrock Group or any partner brands, visit www.edelbrockgroup.com.

Fitment

This part fits the following vehicles.

2007 Buick Rainier
2009-2012 Cadillac Escalade
2007-2012 Chevrolet Avalanche
2009-2012 Chevrolet Colorado
2007-2012 Chevrolet Express 1500
2007-2012 Chevrolet Express 2500
2007-2012 Chevrolet Express 3500
2007-2012 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2009-2012 Chevrolet Silverado 2500 HD
2009-2012 Chevrolet Silverado 3500 HD
2007-2012 Chevrolet Suburban 1500
2009-2012 Chevrolet Suburban 2500
2007-2012 Chevrolet Tahoe
2007-2009 Chevrolet Trailblazer
2009-2012 GMC Canyon
2007-2009 GMC Envoy
2007-2012 GMC Savana 1500
2007-2012 GMC Savana 2500
2007-2012 GMC Savana 3500
2007-2012 GMC Sierra 1500
2007 GMC Sierra 1500 Classic
2009-2012 GMC Sierra 2500 HD
2009-2012 GMC Sierra 3500 HD
2007-2012 GMC Yukon
2007-2012 GMC Yukon XL 1500
2009-2012 GMC Yukon XL 2500
2008-2010 Hummer H3
2009-2010 Hummer H3T
2007-2009 Saab 9-7x

Features & benefits

New rocker arms should always be part of a new camshaft installation. To make selection of the desired combination of camshaft and rocker arms easier, offers camshaft / rocker arm kits that provide the camshaft and correct rocker arm combinations for your engine application. Melling camshaft and rocker arm kits include the camshaft, rocker arms and a 4 oz container of lube.
See MK54-701-11 for Stage 1 Master Cam Kit.

Specifications

Advertised Exhaust Duration	299 dd
Advertised Intake Duration	282 dd
Amazon ASIN	B07MQB7F54
Assembly Lubricant Included	No
Basic Operating RPM Range	1,800-6,600 r3
C.A.R.B. E.O. Number	N/A
C.A.R.B. Exempt For On-Road Vehicles?	No
C.A.R.B. Exemption Reason	N/A
Cam Type	Hydraulic Roller
Camshaft Gear Attachment	3-Bolt
Camshaft Material	Billet Steel
Camshaft Series	Thumpr NSR (No Springs Required)
Country Of Origin	USA
Engine Family	GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Estimated Horsepower Gain With Kit	89 hj
Exhaust Duration At .050 Inch Lift	237 dd
Exhaust Valve Lift	0.612 in
Gaskets Included	No
Grind Number	282LTH13
Intake Duration At .050 Inch Lift	227 dd
Intake Valve Lift	0.614 in
Kit Type	MK-Kit
Lifter Type	Hydraulic Roller
Lifters Included	Yes
Lobe Separation	113 dd
Locks Included	Yes
Pushrods Included	Yes
Recommended Cam Install Kit	5621
Recommended Max-Lift BSR Shaft Rocker System	1981-16
Recommended Upgraded Stock Rocker Arms	1477-16
Retainers Included	Yes
Stage	2
Street Legal	Yes - Except CA
Timing Set Included	Yes
Usage	Street / Performance
Valve Seals Included	Yes
Valve Spring Seats Included	Yes
Valve Springs Included	Yes

Warranty

12 Months

Videos and guides

Catalog PDF

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Carb Status

California carb status to be completed