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HV NSR Cam 218/226 .541/.541 Hydraulic Roller for Gen III/IV 4.8L/5.3L/6.0L

Part Number 54-271-11 (132776177)
UPC: 36584380719
Package contents: 1 Each per Box
Select vehicle for guaranteed fit
MADE IN USA
$404.95 FREE SHIPPING
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Description

This COMP Cams® HV NSR cam is designed for GM cathedral port 4.8L/5.3L/6.0L powered vehicles. It provides amazing drivability and throttle response while also requiring minimal tuning. Torque is increased across the entire operating range while still producing +69 horsepower at peak. Get the most out of your daily driver truck, SUV or 4x4 without sacrificing street manners. The NSR HV cam will provide a deep rumble with a mild, yet noticeable lope. At .541" lift, this cam is designed to allow drop-in performance with stock valve springs. Also compatible with stock converters.

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.

  • 2001-2004 Avanti II
  • 2008-2009 Buick LaCrosse
  • 2004-2007 Buick Rainier
  • 2009-2015 Cadillac CTS
  • 2002-2014 Cadillac Escalade
  • 2003-2014 Cadillac Escalade ESV
  • 2002-2013 Cadillac Escalade EXT
  • 2007-2013 Chevrolet Avalanche
  • 2002-2006 Chevrolet Avalanche 1500
  • 2010-2015 Chevrolet Camaro
  • 2011-2017 Chevrolet Caprice
  • 2009-2012 Chevrolet Colorado
  • 2005-2013 Chevrolet Corvette
  • 2003-2014 Chevrolet Express 1500
  • 2003-2005, 2010-2020 Chevrolet Express 2500
  • 2010-2020 Chevrolet Express 3500
  • 2006-2009 Chevrolet Impala
  • 2016-2018 Chevrolet LCF 3500
  • 2006-2007 Chevrolet Monte Carlo
  • 1999-2013 Chevrolet Silverado 1500
  • 2007 Chevrolet Silverado 1500 Classic
  • 1999-2000 Chevrolet Silverado 2500
  • 2010-2019 Chevrolet Silverado 2500 HD
  • 2010-2019 Chevrolet Silverado 3500 HD
  • 2003-2004 Chevrolet SSR
  • 2000-2014 Chevrolet Suburban 1500
  • 2010-2013 Chevrolet Suburban 2500
  • 2016-2019 Chevrolet Suburban 3500 HD
  • 2000-2014 Chevrolet Tahoe
  • 2006-2009 Chevrolet Trailblazer
  • 2003-2006 Chevrolet Trailblazer EXT
  • 2009-2012 GMC Canyon
  • 2005-2009 GMC Envoy
  • 2003-2006 GMC Envoy XL
  • 2004-2005 GMC Envoy XUV
  • 2003-2014 GMC Savana 1500
  • 2003-2005, 2010-2020 GMC Savana 2500
  • 2010-2020 GMC Savana 3500
  • 1999-2013 GMC Sierra 1500
  • 2007 GMC Sierra 1500 Classic
  • 1999-2000 GMC Sierra 2500
  • 2010-2019 GMC Sierra 2500 HD
  • 2010-2019 GMC Sierra 3500 HD
  • 2000-2014 GMC Yukon
  • 2000-2014 GMC Yukon XL 1500
  • 2010-2013 GMC Yukon XL 2500
  • 2004, 2007-2009 Hummer H2
  • 2008-2010 Hummer H3
  • 2009-2010 Hummer H3T
  • 2003-2006 Isuzu Ascender
  • 2008-2009 Pontiac G8
  • 2005-2008 Pontiac Grand Prix
  • 2005-2009 Saab 9-7x

Features & benefits

  • Melling offers a full line of OE replacement and high performance camshafts for cars, light duty, medium duty and heavy duty trucks. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. Melling camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials.

Specifications

Advance 5
Advertised Exhaust Duration 278
Advertised Intake Duration 272
Basic Operating RPM Range 2500 - 6200
Cam Type Hydraulic Roller
Camshaft Intake Centerline 107
Camshaft Series HV
Computer Controlled Compatible Yes
Country Of Origin USA
Direct Injection No
Engine Platform GM LS GEN III/IV
Exhaust Close ATDC -4
Exhaust Duration At .050 Inch Lift 226
Exhaust Lobe Lift 0.318
Exhaust Open BBDC 36
Exhaust Valve Lash Hyd
Exhaust Valve Lift 0.541
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.541
Factory Rocker Ratio 1.7
Fuel Management Strategy Compatible No
Grind Number LS272PU-12
Intake Close ABDC 50
Intake Duration At .050 Inch Lift 218
Intake Lobe Lift 0.318
Intake Open BTDC 2
Intake Valve Lash Hyd
Intake Valve Lift 0.541
Intake Valve Lift With Factory Rocker Arm Ratio 0.541
Lifter Type Roller
Lobe Separation 112
Phaser Requirement None
Street Legal Yes
Usage Street
Valve Springs Required Yes
VVT Compatible No

Warranty

12 Months

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

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