These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, these rockers fit LS1/2/6 with a 3/8" diameter stud.
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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
2004-2005	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
1998-2002	Chevrolet	Camaro	Z28
1998-2002	Chevrolet	Camaro	Z28 SS
2009-2012	Chevrolet	Colorado	LT
2003	Chevrolet	Corvette	50th Anniversary Edition
2003	Chevrolet	Corvette	50th Anniversary Edition Pace Car
1997-2004	Chevrolet	Corvette	Base
1998	Chevrolet	Corvette	Indianapolis 500 Pace Car
2001-2004	Chevrolet	Corvette	Z06
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
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
2003-2004	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
2004-2007	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
1998-2002	Pontiac	Firebird	Formula
1998-2002	Pontiac	Firebird	Trans Am
2005-2008	Pontiac	Grand Prix	GXP
2004	Pontiac	GTO	Base
2006-2009	Saab	9-7x	5.3i
2005	Saab	9-7x	Arc