Remflex Exhaust Gaskets 1979-1989 Buick 3.0L 3.2L 3.8L 4.1L V6 13-002 Remflex #13-002 or RF13-002Buick, V6, 1-1/8"w x 1-13/32"h Square Port V6 - 3.0L 1982-1985V6 - 3.2L 1979 V6 - 3.8L 1979-1987 V6 - 3.8L 1986-1987 Except VIN Code "B" and "3" V6 - 3.8L Turbo 1979-1989V6 - 4.1L 1980-1985 For Header and Manifold Applications 2/Set Cross Reference :Equivalent to Fel-Pro #1400Fel-Pro MS90508MR.