4 Piece Suspension KitKit Includes(2) Front Lower Control Arms with Ball Joints(2) Front Sway Bar LinksFitmentCompatible with: 2001-10 Chevrolet Silverado 2500 HD FrontCompatible with: 2001-10 GMC Sierra 2500 HD FrontCompatible with: 2004 Chevrolet Silverado 1500 Z71 Off-Road Crew Cab with 8 Lug Wheels FrontCompatible with: 2004 Chevrolet Silverado 1500 LT Crew Cab with 8 Lug Wheels FrontCompatible with: 2004 Chevrolet Silverado 1500 LS Crew Cab with 8 Lug Wheels FrontCompatible with: 2001-06 Chevrolet Silverado 3500 FrontCompatible with: 2004 GMC Sierra 1500 SLE Crew Cab with 8 Lug Wheels FrontCompatible with: 2004 GMC Sierra 1500 SLT Crew Cab with 8 Lug Wheels FrontCompatible with: 2003-09 Hummer H2 FrontCompatible with: 2007 Chevrolet Silverado 2500 HD Classic FrontCompatible with: 2007-10 Chevrolet Silverado 3500 HD FrontCompatible with: 1999-00 Chevrolet Silverado 2500 LT 4 Wheel Drive FrontCompatible with: 1999-00 Chevrolet Silverado 2500 Base Model 4 Wheel Drive FrontCompatible with: 1999-00 Chevrolet Silverado 2500 LS 4 Wheel Drive FrontCompatible with: 2001-03 Chevrolet Silverado 1500 HD FrontCompatible with: 2001-06 GMC Sierra 3500 FrontCompatible with: 2001-04 Chevrolet Silverado 2500 FrontCompatible with: 2001-13 Chevrolet Suburban 2500 FrontCompatible with: 2007 GMC Sierra 2500 HD Classic FrontCompatible with: 2007-10 GMC Sierra 3500 HD FrontCompatible with: 2007 Chevrolet Silverado 3500 Classic FrontCompatible with: 1999-00 GMC Sierra 2500 SLE 4 Wheel Drive FrontCompatible with: 1999-00 GMC Sierra 2500 SL 4 Wheel Drive FrontCompatible with: 1999-00 GMC Sierra 2500 SLT 4 Wheel Drive FrontCompatible with: 2001-03 GMC Sierra 1500 HD FrontCompatible with: 2001-04 GMC Sierra 2500 FrontCompatible with: 2001-13 GMC Yukon XL 2500 FrontCompatible with: 2005-06 Chevrolet Silverado 1500 HD FrontCompatible with: 2002-06 Chevrolet Avalanche 2500 FrontCompatible with: 2007 GMC Sierra 3500 Classic FrontCompatible with: 2005-06 GMC Sierra 1500 HD FrontCompatible with: 2007 Chevrolet Silverado 1500 HD Classic FrontCompatible with: 2007 GMC Sierra 1500 HD Classic FrontProduct AttributesQuantity: 4 PieceProduct Features Application Specific Design: No modifications necessary Anti-Corrosion Coated: Enhanced surface life Pre-greased: No additional maintenance required Kitted for Restored Performance: Improved road-feel and handlingItem DetailsTRQ suspension kits are manufactured using premium raw materials and coatings for extended service life. Each TRQ suspension component is designed to be a direct, maintenance-free replacement to the stock unit. To extend the life of your steering and suspension components, TRQ recommends replacing components in pairs, sets, or kits. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality.Reference NumbersACDelco: 45D2465, 45D2466Carquest: 820-94974B, 820-94975B, CA984B, CA985BCentric Parts: 622.66003, 622.6605, 62266003, 62366050Delphi: TC6239, TC6241DIY Solutions: SUS04859, SUS05465, SUS05466, SUS06880Dorman - OE Solutions: 521-877, 521-878Dorman - Premium: CB91123PR, CB91124PRDorman: 521-877, 521-878General Motors: 10385580, 12474417, 12474418, 12475475, 12475476, 12475521, 12475522, 12542993, 12546193, 15070821, 15103878, 15103879, 15103880, 15103881, 15167767, 15835052, 15840266, 20832022, 20832023, 20832024, 20832025, 22803674, 22803675, 22849591, 22849592, 25800378, 25800379, 25803378, 25803379, 25909326, 25909327Hollander: 512-01215L, 512-01216RMAS Industries: CB91123, CB91123PR, CB91124, CB91124PRMcquay-Norris: FA3038, FA3039Mevotech: CMS50108, CMS50109, GS50108, GS50109, MK80631, MS50108, MS50109MOOG Chassis Products: K621356, K700539, K80631, K80631, K6428, RK621355, RK621356NAPA Chassis Parts: 2606037, 2606038NAPA Premium: 2606037, 2606038NAPA: 2606037, 2606038Precision Chassis: 11CB50060, 11CB50061Precision Driveline: CB50098, CB50099QuickSteer: K80631Raybestos Brakes: 5071607, 5071608SYD: 12475475L, 12475476R