This is a "BILLET ALUMINUM CNC MACHINED 1" THROTTLE BODY SPACER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This 1" Billet aluminum spacer is designed to adapt with the factory intake manifold. Bolts and 2 gaskets are included.
