This Premium quality gasket set contains the lower and upper separator plate gaskets for sealing the main control body, accumulator body and solenoid pack to the separator plate and the case to the separator plate. This set contains two gaskets. These gaskets are also referred to as spacer plate to case upper gasket and valve body to spacer plate lower gasket. This set fits 2 wheel and 4 wheel drive (4X4) Ford 4R100 transmission models only. These are model specific gaskets.