This is a "COPPER TURBO FLANGE 3 BOLT GASKET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Clean, flat surfaces are essential to a good seal and the best way to seal a exhaust is with Copper exhaust gaskets.
SCE Copper Turbo Flange Gasket
$19.99
