Stainless Works GM LS1 Headers Block Hugger

LS1 Block Hugger Headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8″ thick flanges into 1-5/8″ primaries with 2-1/2″ slip-fit collectors. Headers are fully TIG welded and back purged. Mill finish, These, are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.