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
