Hooker Exhaust Headers - GM LS Swap to GM A-Body 68-72 1311112 160" Gasket Bore

160" Gasket Bore

3/4-16 in Left Hand Thread

Fits 2011-2019 Chevrolet Silverado and GMC Sierra 2500HD/3500HD Crew cab/standard 6

1979-1998 GMC K3500

Hooker Exhaust Headers - GM LS Swap to GM A-Body 68-72 1311112 160" Gasket BoreHooker holds to its claim of the winningest header in drag racing history. Hooker still leads the way in design and technology with products like engine swap headers for putting a late model LS engine into early iron. And, Hooker still leads the way in coating processes with the recent introduction of "Darksides" black ceramic. The famous Hooker heart logo is among the most recognized in the performance aftermarket. It is a symbol of unmatched