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GSC Power Division exhaust valve set for Mitsubishi 4G63T engines (Evo I–IX / 1990–1998 DSM). This chrome‑polished set of eight exhaust valves features 31.5mm heads (+1mm) for applications that require the larger exhaust sizing. They offer direct replacement fitment for heads upgraded to the +1mm exhaust specification and support proper valve seating after installation.
GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Exhaust Valve - 31.5mm Head (+1mm) - SET 8
