100% New Construction 10.5mm Spiral Wound Design UltraLow Resistance KEVLAR Core RFI Suppression Ultra High Strength/High Temp. Silicone Boots and Sleeve Ready for Install Straight out of the box Fit 2004 B-uick Rainer 5.3L 2002-2004 C-adillac Escalade 6.0L 1999-2006 C-hevy C,K 1500 Silverado Gen III LS1 Vortec Trailbazer 4.8L 1999-2006 C-hevy C,K 1500 Silverado 4.8L 1999-2006 C-hevy SSR 4.8L 1999-2006 C-hevy C,K 1500-2500 Silverado, Ssr Gen III LS1 Vortec 5.3L 1999-2006 C-hevy Suburban, Tahoe Gen III LS1 Vortec 5.3L 1999-2006 C-hevy C, K 2500 Silverado Gen III LS1 Vortec 6.0L 1999-2006 C-hevy Suburban, Tahoe Gen III LS1 Vortec 6.0L 1999-2006 GMC C, K 1500 Sierra Gen III LS1 Vortec, Envoy 4.8L Part Ref#s: Accel 905