Highway Stars reproduction THM200-4R (MW9) 4 speed transmission service kit (filter and gasket).
This filter kit is for the original stock transmission on 1984-1987 Buick Grand National, Turbo Regal, and 1987 GNX.
For easier installation, the gasket features slightly smaller fastener holes than original in order to hold bolts and keep gasket located in place as oil pan is re-installed.
See our comparison photo of the ACDelco #8639951 vs. Highway Stars reproduction sku # 8639951 R.
This transmission filter and gasket will be boxed as shown in the 3rd photo of this listing.