420+c.i., high compression, high RPM, rectangular CNC-ported heads in race type applications.
Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)
Fitment:
Avanti II Base 2001 to 2004
Buick LaCrosse Super 2008 to 2009
Buick Rainier CXL 2004 to 2007
Buick Rainier CXL Plus 2004 to 2005
Cadillac CTS V 2009 to 2015
Cadillac Escalade Base 2002 to 2005
Cadillac Escalade Base 2007 to 2014
Cadillac Escalade Hybrid 2009 to 2013
Cadillac Escalade Hybrid Platinum 2010 to 2013
Cadillac Escalade Luxury 2011 to 2014
Cadillac Escalade Platinum 2008 to 2014
Cadillac Escalade Premium 2011 to 2014
Cadillac Escalade ESV Base 2007 to 2014
Cadillac Escalade ESV Luxury 2011 to 2014
Cadillac Escalade ESV Platinum 2008 to 2014
Cadillac Escalade ESV Premium 2011 to 2014
Cadillac Escalade EXT Base 2007 to 2013
Cadillac Escalade EXT Luxury 2011 to 2013
Cadillac Escalade EXT Premium 2011 to 2013
Chevrolet Avalanche Black Diamond LS 2013
Chevrolet Avalanche Black Diamond LT 2013
Chevrolet Avalanche Black Diamond LTZ 2013
Chevrolet Avalanche LS 2007 to 2012
Chevrolet Avalanche LT 2007 to 2012
Chevrolet Avalanche LTZ 2007 to 2012
Chevrolet Avalanche 1500 Base 2002 to 2005
Chevrolet Avalanche 1500 LS 2005 to 2006
Chevrolet Avalanche 1500 LT 2005 to 2006
Chevrolet Avalanche 1500 North Face 2002 to 2003
Chevrolet Avalanche 1500 On Road Edition 2002 to 2003
Chevrolet Avalanche 1500 WBH 2003
Chevrolet Avalanche 1500 Z66 2004 to 2006
Chevrolet Avalanche 1500 Z71 2002 to 2006
Chevrolet Camaro SS 2010 to 2015
Chevrolet Camaro Z/28 2014 to 2015
Chevrolet Camaro ZL1 2012 to 2015
Chevrolet Caprice PPV 2011 to 2017
Chevrolet Colorado LT 2009 to 2012
Chevrolet Corvette 427 2013
Chevrolet Corvette 427 Limited Edition Z06 2008
Chevrolet Corvette Base 2008 to 2013
Chevrolet Corvette Grand Sport 2010 to 2013
Chevrolet Corvette Z06 2006 to 2013
Chevrolet Corvette Z06 Carbon 2011
Chevrolet Corvette ZR1 2009 to 2013
Chevrolet Express 1500 Base 2003 to 2014
Chevrolet Express 1500 LS 2003 to 2014
Chevrolet Express 1500 LT 2006 to 2014
Chevrolet Express 2500 Base 2003 to 2005
Chevrolet Express 2500 Base 2010 to 2019
Chevrolet Express 2500 LS 2003 to 2005
Chevrolet Express 2500 LS 2010 to 2019
Chevrolet Express 2500 LT 2010 to 2019
Chevrolet Express 3500 Base 2010 to 2019
Chevrolet Express 3500 LS 2010 to 2019
Chevrolet Express 3500 LT 2010 to 2019
Chevrolet Impala SS 2006 to 2009
Chevrolet LCF 3500 Base 2016 to 2017
Chevrolet Monte Carlo SS 2006 to 2007
Chevrolet Silverado 1500 Base 1999 to 2005
Chevrolet Silverado 1500 Hybrid 2004 to 2006
Chevrolet Silverado 1500 Hybrid 2009 to 2013
Chevrolet Silverado 1500 LS 1999 to 2006
Chevrolet Silverado 1500 LS 2010 to 2013
Chevrolet Silverado 1500 LT 1999 to 2013
Chevrolet Silverado 1500 LTZ 2007 to 2013
Chevrolet Silverado 1500 WT 2002 to 2004
Chevrolet Silverado 1500 WT 2006 to 2013
Chevrolet Silverado 1500 XFE 2010 to 2013
Chevrolet Silverado 1500 Z71 2004
Chevrolet Silverado 1500 Classic Hybrid 2007
Chevrolet Silverado 1500 Classic LS 2007
Chevrolet Silverado 1500 Classic LT 2007
Chevrolet Silverado 1500 Classic WT 2007
Chevrolet Silverado 2500 Base 1999 to 2000
Chevrolet Silverado 2500 LS 1999 to 2000
Chevrolet Silverado 2500 LT 1999 to 2000
Chevrolet Silverado 2500 HD High Country 2015 to 2019
Chevrolet Silverado 2500 HD LT 2010 to 2019
Chevrolet Silverado 2500 HD LTZ 2010 to 2019
Chevrolet Silverado 2500 HD WT 2010 to 2019
Chevrolet Silverado 3500 HD High Country 2015 to 2019
Chevrolet Silverado 3500 HD LT 2010 to 2019
Chevrolet Silverado 3500 HD LTZ 2010 to 2019
Chevrolet Silverado 3500 HD WT 2010 to 2019
Chevrolet SS Base 2014 to 2017
Chevrolet SSR Base 2003 to 2004
Chevrolet Suburban 1500 Base 2000 to 2001
Chevrolet Suburban 1500 Base 2006
Chevrolet Suburban 1500 LS 2000 to 2014
Chevrolet Suburban 1500 LT 2000 to 2014
Chevrolet Suburban 1500 LTZ 2007 to 2014
Chevrolet Suburban 1500 Z71 2004 to 2007
Chevrolet Suburban 2500 LS 2010 to 2013
Chevrolet Suburban 2500 LT 2010 to 2013
Chevrolet Suburban 3500 HD LS 2016 to 2019
Chevrolet Suburban 3500 HD LT 2016 to 2019
Chevrolet Tahoe Base 2000 to 2001
Chevrolet Tahoe Base 2006
Chevrolet Tahoe Hybrid 2008 to 2013
Chevrolet Tahoe LS 2000 to 2014
Chevrolet Tahoe LT 2000 to 2014
Chevrolet Tahoe LTZ 2007 to 2014
Chevrolet Tahoe PPV 2012 to 2014
Chevrolet Tahoe SSV 2012 to 2014
Chevrolet Tahoe Z71 2003 to 2006
Chevrolet Trailblazer Base 2008
Chevrolet Trailblazer LS 2006 to 2007
Chevrolet Trailblazer LT 2006 to 2008
Chevrolet Trailblazer EXT LS 2003 to 2006
Chevrolet Trailblazer EXT LT 2003 to 2006
Chevrolet Trailblazer EXT North Face 2003 to 2004
GMC Canyon SLE 2009 to 2012
GMC Canyon SLT 2009 to 2012
GMC Envoy Denali 2005 to 2009
GMC Envoy XL Denali 2005 to 2006
GMC Envoy XL SLE 2003 to 2005
GMC Envoy XL SLT 2003 to 2005
GMC Envoy XUV SLE 2004 to 2005
GMC Envoy XUV SLT 2004 to 2005
GMC Savana 1500 Base 2003 to 2014
GMC Savana 1500 LS 2006 to 2014
GMC Savana 1500 LT 2006 to 2014
GMC Savana 1500 SLE 2003 to 2005
GMC Savana 2500 Base 2003 to 2005
GMC Savana 2500 Base 2010 to 2019
GMC Savana 2500 LS 2010 to 2019
GMC Savana 2500 LT 2010 to 2019
GMC Savana 2500 SLE 2003 to 2005
GMC Savana 3500 Base 2010 to 2019
GMC Savana 3500 LS 2010 to 2019
GMC Savana 3500 LT 2010 to 2019
GMC Sierra 1500 Base 2002 to 2005
GMC Sierra 1500 Denali 2007 to 2013
GMC Sierra 1500 HT 2002
GMC Sierra 1500 Hybrid 2005 to 2006
GMC Sierra 1500 Hybrid 2009 to 2013
GMC Sierra 1500 SL 1999 to 2003
GMC Sierra 1500 SL 2006
GMC Sierra 1500 SL 2010 to 2013
GMC Sierra 1500 SLE 1999 to 2013
GMC Sierra 1500 SLT 1999 to 2013
GMC Sierra 1500 WT 2002 to 2013
GMC Sierra 1500 XFE 2010 to 2013
GMC Sierra 1500 Classic Hybrid 2007
GMC Sierra 1500 Classic SL 2007
GMC Sierra 1500 Classic SLE 2007
GMC Sierra 1500 Classic SLT 2007
GMC Sierra 1500 Classic WT 2007
GMC Sierra 2500 SL 1999 to 2000
GMC Sierra 2500 SLE 1999 to 2000
GMC Sierra 2500 SLT 1999 to 2000
GMC Sierra 2500 HD Base 2015 to 2019
GMC Sierra 2500 HD Denali 2011 to 2019
GMC Sierra 2500 HD SLE 2010 to 2019
GMC Sierra 2500 HD SLT 2010 to 2019
GMC Sierra 2500 HD WT 2010 to 2014
GMC Sierra 3500 HD Base 2015 to 2019
GMC Sierra 3500 HD Denali 2011 to 2019
GMC Sierra 3500 HD SLE 2010 to 2019
GMC Sierra 3500 HD SLT 2010 to 2019
GMC Sierra 3500 HD WT 2010 to 2014
GMC Yukon Denali 2007 to 2014
GMC Yukon Denali Hybrid 2010 to 2013
GMC Yukon Hybrid 2008 to 2013
GMC Yukon SL 2006
GMC Yukon SLE 2000 to 2014
GMC Yukon SLT 2000 to 2014
GMC Yukon XL 1500 Denali 2007 to 2014
GMC Yukon XL 1500 SL 2006
GMC Yukon XL 1500 SLE 2000 to 2014
GMC Yukon XL 1500 SLT 2000 to 2014
GMC Yukon XL 2500 SLE 2010 to 2013
GMC Yukon XL 2500 SLT 2010 to 2013
Hummer H2 Base 2004
Hummer H2 Base 2007 to 2009
Hummer H3 Alpha 2008 to 2010
Hummer H3 Championship Series 2009
Hummer H3T Alpha 2009 to 2010
Isuzu Ascender Base 2003
Isuzu Ascender Limited 2003 to 2005
Isuzu Ascender LS 2003 to 2006
Isuzu Ascender S 2005
Pontiac G8 GT 2008 to 2009
Pontiac G8 GXP 2009
Pontiac Grand Prix GXP 2005 to 2008
Saab 9-7x 5.3i 2006 to 2009