Custom Gn1 Performance Cometic Head Gaskets .040" This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is .040" MSRP: Was: Now: $199.00 Choose Options
Stage 1 and Stage 2 Cometic Head Gaskets .040" This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is.040" MSRP: Was: Now: $199.00 Choose Options
Customizable Gasket Kit This is a customizable gasket kit. Starting with a intake manifold Valley Pan gasket, add whichever gaskets from the options below, you are in need of to complete your build!*Please note, if you select "No" for all of the options below and... MSRP: Was: Now: $0.00 Choose Options
Cork Oil Pan Gasket This is a "Gn1Performance Cork .25" Thick Oil Pan Gasket" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The gasket is a custom Gn1Performance product, The cork gasket is 1/4 of an inch think and is... MSRP: Was: Now: $36.00 Add to Cart
