Brand NEW SCE copper gasket.  Part #4172.  This product is meant for the 3.8L V6 Buick.  Dimensions of #4172 gasket: Round - 2.275 inches and has 3 bolts.  This gasket is great for ensuring drip-free as well as performance upgrades on aftermarket headers or stock manifolds.  SCE gaskets are known for their good seals, conformity, and strength! 



Other products you might be interested in include: #KPP8055 1986-'87 Buick Turbo to Down Pipe Gasket, #KPP7701 Replacement Gasket for Downpipe, #KPP7176 ZDDPlus 4-Ounce Bottle, #KPP7099 Stock Turbo Gasket Kit, #KPP7807 Fel-Pro Stock Exhaust Manifold Gaskets (2), #KPP7032 Turbo to Exhaust Manifold Gasket.