1999-02 Chevy, GMC 4.8L, 5.3L (4WD only) Truck headers. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow. 3/8" CNC laser cut flanges. These headers come with air tube fitting on primary and 1-3/4" primaries that flow into a 2-1/2" slip-fit collectors with O2 bungs welded into the collector that flow into 2-1/2" High-flow Converters into leads then to y-pipe with donut gasket included that connects to Factory connection point with flange. Kit includes High temp RTV silicone, 8mm Header Bolt Kit, All the accuseal clamps needed also the bolt kit to connect the 2 flanges for factory connection. Mill finish, All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.

This Part Fits:

Year	Make	Model	Submodel
1999-2002	Chevrolet	Silverado 1500	Base
1999-2002	Chevrolet	Silverado 1500	LS
1999-2002	Chevrolet	Silverado 1500	LT
2002	Chevrolet	Silverado 1500	WT
2002	GMC	Sierra 1500	Base
2002	GMC	Sierra 1500	HT
1999-2002	GMC	Sierra 1500	SL
1999-2002	GMC	Sierra 1500	SLE
1999-2002	GMC	Sierra 1500	SLT
2002	GMC	Sierra 1500	WT