# COMP Cams Guide Plates GM LS1 5/16 Flat flat, 1-piece, non-adjustableFor 5/16" diameter pushrods and 8mm Rocker StudsFit GM LS engines with "cathedral port" cylinder heads (Ex. LS1, LS6)Designed using stereo lithography Techniques for an accurate fitFeature exact Stud placement and rounded contact pointsNecessary for high lift/spring pressure environments of performance enginesHardened and black oxide finished This Part Fits: Year Make Model Submodel 2001-2004 Avanti II Base 2008-2009 Buick LaCrosse Super 2004-2007 Buick Rainier CXL 2004-2005 Buick Rainier CXL Plus 2006-2007 Cadillac CTS V 2002-2005 Cadillac Escalade Base 2009-2013 Cadillac Escalade Hybrid 2010-2013 Cadillac Escalade Hybrid Platinum 2013 Chevrolet Avalanche Black Diamond LS 2013 Chevrolet Avalanche Black Diamond LT 2013 Chevrolet Avalanche Black Diamond LTZ 2007-2012 Chevrolet Avalanche LS 2007-2012 Chevrolet Avalanche LT 2007-2012 Chevrolet Avalanche LTZ 2002-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2002-2003 Chevrolet Avalanche 1500 North Face 2002-2003 Chevrolet Avalanche 1500 On Road Edition 2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2002-2006 Chevrolet Avalanche 1500 Z71 2009-2012 Chevrolet Colorado LT 2003-2007 Chevrolet Express 1500 Base 2003-2007 Chevrolet Express 1500 LS 2006-2007 Chevrolet Express 1500 LT 2003-2005,2010-2019 Chevrolet Express 2500 Base 2003-2005,2010-2019 Chevrolet Express 2500 LS 2010-2019 Chevrolet Express 2500 LT 2010-2019 Chevrolet Express 3500 Base 2010-2019 Chevrolet Express 3500 LS 2010-2019 Chevrolet Express 3500 LT 2006-2009 Chevrolet Impala SS 2016-2017 Chevrolet LCF 3500 Base 2006-2007 Chevrolet Monte Carlo SS 1999-2005 Chevrolet Silverado 1500 Base 2004-2006,2009-2013 Chevrolet Silverado 1500 Hybrid 1999-2006,2010-2013 Chevrolet Silverado 1500 LS 1999-2013 Chevrolet Silverado 1500 LT 2007-2013 Chevrolet Silverado 1500 LTZ 2002-2004,2006-2013 Chevrolet Silverado 1500 WT 2010-2013 Chevrolet Silverado 1500 XFE 2004 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 1999-2000 Chevrolet Silverado 2500 Base 1999-2000 Chevrolet Silverado 2500 LS 1999-2000 Chevrolet Silverado 2500 LT 2015-2019 Chevrolet Silverado 2500 HD High Country 2010-2019 Chevrolet Silverado 2500 HD LT 2010-2019 Chevrolet Silverado 2500 HD LTZ 2010-2019 Chevrolet Silverado 2500 HD WT 2015-2019 Chevrolet Silverado 3500 HD High Country 2010-2019 Chevrolet Silverado 3500 HD LT 2010-2019 Chevrolet Silverado 3500 HD LTZ 2010-2019 Chevrolet Silverado 3500 HD WT 2003-2006 Chevrolet SSR Base 2000-2001,2006 Chevrolet Suburban 1500 Base 2000-2014 Chevrolet Suburban 1500 LS 2000-2014 Chevrolet Suburban 1500 LT 2007-2014 Chevrolet Suburban 1500 LTZ 2004-2006 Chevrolet Suburban 1500 Z71 2010-2013 Chevrolet Suburban 2500 LS 2010-2013 Chevrolet Suburban 2500 LT 2016-2019 Chevrolet Suburban 3500 HD LS 2016-2019 Chevrolet Suburban 3500 HD LT 2000-2001,2006 Chevrolet Tahoe Base 2008-2013 Chevrolet Tahoe Hybrid 2000-2014 Chevrolet Tahoe LS 2000-2014 Chevrolet Tahoe LT 2007-2014 Chevrolet Tahoe LTZ 2012-2014 Chevrolet Tahoe PPV 2012-2014 Chevrolet Tahoe SSV 2003-2006 Chevrolet Tahoe Z71 2008 Chevrolet Trailblazer Base 2006-2007 Chevrolet Trailblazer LS 2006-2008 Chevrolet Trailblazer LT 2003-2006 Chevrolet Trailblazer EXT LS 2003-2006 Chevrolet Trailblazer EXT LT 2003-2004 Chevrolet Trailblazer EXT North Face 2009-2012 GMC Canyon SLE 2009-2012 GMC Canyon SLT 2005-2009 GMC Envoy Denali 2005-2006 GMC Envoy XL Denali 2003-2005 GMC Envoy XL SLE 2003-2005 GMC Envoy XL SLT 2004-2005 GMC Envoy XUV SLE 2004-2005 GMC Envoy XUV SLT 2003-2007 GMC Savana 1500 Base 2006-2007 GMC Savana 1500 LS 2006-2007 GMC Savana 1500 LT 2003-2005 GMC Savana 1500 SLE 2003-2005,2010-2019 GMC Savana 2500 Base 2010-2019 GMC Savana 2500 LS 2010-2019 GMC Savana 2500 LT 2003-2005 GMC Savana 2500 SLE 2010-2019 GMC Savana 3500 Base 2010-2019 GMC Savana 3500 LS 2010-2019 GMC Savana 3500 LT 2002-2005 GMC Sierra 1500 Base 2002 GMC Sierra 1500 HT 2005-2006,2009-2013 GMC Sierra 1500 Hybrid 1999-2003,2006,2010-2013 GMC Sierra 1500 SL 1999-2013 GMC Sierra 1500 SLE 1999-2013 GMC Sierra 1500 SLT 2002-2013 GMC Sierra 1500 WT 2010-2013 GMC Sierra 1500 XFE 2007 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 1999-2000 GMC Sierra 2500 SL 1999-2000 GMC Sierra 2500 SLE 1999-2000 GMC Sierra 2500 SLT 2015-2019 GMC Sierra 2500 HD Base 2011-2019 GMC Sierra 2500 HD Denali 2010-2019 GMC Sierra 2500 HD SLE 2010-2019 GMC Sierra 2500 HD SLT 2010-2014 GMC Sierra 2500 HD WT 2015-2019 GMC Sierra 3500 HD Base 2011-2019 GMC Sierra 3500 HD Denali 2010-2019 GMC Sierra 3500 HD SLE 2010-2019 GMC Sierra 3500 HD SLT 2010-2014 GMC Sierra 3500 HD WT 2010-2013 GMC Yukon Denali Hybrid 2008-2013 GMC Yukon Hybrid 2006 GMC Yukon SL 2000-2014 GMC Yukon SLE 2000-2014 GMC Yukon SLT 2006 GMC Yukon XL 1500 SL 2000-2014 GMC Yukon XL 1500 SLE 2000-2014 GMC Yukon XL 1500 SLT 2010-2013 GMC Yukon XL 2500 SLE 2010-2013 GMC Yukon XL 2500 SLT 2004,2007 Hummer H2 Base 2008-2010 Hummer H3 Alpha 2009 Hummer H3 Championship Series 2009-2010 Hummer H3T Alpha 2003 Isuzu Ascender Base 2003-2005 Isuzu Ascender Limited 2003-2006 Isuzu Ascender LS 2005 Isuzu Ascender S 2005-2008 Pontiac Grand Prix GXP 2004 Pontiac GTO Base 2006-2009 Saab 9-7x 5.3i 2005 Saab 9-7x Arc ## Details - **Price:** 49.61 CAD - **Vendor:** COMP Cams - **Type:** Guide Plates ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 49.61 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Logo Image - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/comp-cams-guide-plates-gm-ls1-5-16-flat) > Updated: 2026-06-26