GM / Hummer / Isuzu Replacement Exhaust Valve 323 / 5.3L 350 / 5.7L 364 / 6.0L (1997-09) Head Diameter 1.551 Inch Overall Length 4.9150 Inch Stem Diameter 0.31360 Inch Keeper Groove 1 VIN C (LS4) Aluminum Block G (LS1) S (LS6) U (LS2

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Engine Pro's valves are the Premier Choice for valves. Four Series of valves assures you that you can find the right valve for your demanding application from Original Replacements to Street / Strip to Professional Racing. All Engine Pro Valves are manufactured to American specifications and standards in one facility located in the Western Hemisphere in one of the most sophisticated valve plants in the world for stainless steel and titanium materials, assuring tight tolerances in quality . Every valve is concentric in relation of the valve's head to the stem, which reduces wear on the valve, valve seat and the valve guides. This makes Engine Pro Valves the choice of professionals.

• Austenitic (Non-Magnetic) Or Martensitic (Magnetic) Steels And Nickel Base Super Alloys Along With Other Cobalt, Iron, And Nickel Base Facing Alloys
• Manufactured To USA Standards
• Replaces Stock Size Valve

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Application Summary:

Year	Make/Model
2008-2009	Buick Allure
2008-2009	Buick LaCrosse
2006-2007	Cadillac CTS
2007-2013	Chevrolet Avalanche
2002-2006	Chevrolet Avalanche 1500
1998-2002	Chevrolet Camaro
2004	Chevrolet Cargo Van
2010-2013	Chevrolet Cheyenne
2009-2012	Chevrolet Colorado
1997-2007	Chevrolet Corvette
2003-2014	Chevrolet Express 1500
2003-2007	Chevrolet Express 2500
2010-2017	Chevrolet Express 2500
2003-2008	Chevrolet Express 3500
2010-2017	Chevrolet Express 3500
2011	Chevrolet Express Cargo
2006-2009	Chevrolet Impala
2006-2007	Chevrolet Monte Carlo
1999-2013	Chevrolet Silverado 1500
2007	Chevrolet Silverado 1500 Classic
2001-2003	Chevrolet Silverado 1500 HD
2005-2006	Chevrolet Silverado 1500 HD
1999-2013	Chevrolet Silverado 2500
2001-2006	Chevrolet Silverado 2500 HD
2007	Chevrolet Silverado 2500 HD Classic
2001-2006	Chevrolet Silverado 3500
2003-2006	Chevrolet SSR
2014	Chevrolet Suburban
2000-2014	Chevrolet Suburban 1500
2001-2006	Chevrolet Suburban 2500
2012	Chevrolet Suburban 2500
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
2003-2007	GMC Savana 2500
2010-2017	GMC Savana 2500
2003-2007	GMC Savana 3500
2010-2017	GMC Savana 3500
2007-2013	GMC Sierra
1999-2013	GMC Sierra 1500
2007	GMC Sierra 1500 Classic
2001-2003	GMC Sierra 1500 HD
2005-2006	GMC Sierra 1500 HD
1999-2004	GMC Sierra 2500
2001-2006	GMC Sierra 2500 HD
2001-2006	GMC Sierra 3500
2000-2014	GMC Yukon
2000-2014	GMC Yukon XL 1500
2001-2006	GMC Yukon XL 2500
2003-2007	Hummer H2
2008-2009	Hummer H3
2009	Hummer H3T
2003-2006	Isuzu Ascender
1998-2002	Pontiac Firebird
2005-2008	Pontiac Grand Prix
2004-2006	Pontiac GTO
2006-2009	Saab 9-7x