Exhaust Valve 2.5L 1998 Mazda 626 - EV455.11 Exhaust Valve . Fits: 93-02 Mazda, Ford / 626, Millenia, Probe, MX-6 2.5L V6 DOHC Naturally AspiratedFitment Notes: Nitride Coated, 1 Groove, 27.6mm Head Dia., 6mm Stem Dia., 95mm O.A.L., ExhaustProduct...