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DESCRIPTION
Supertech exhaust valve set for 90-93 1.6L Miata engines.
Stainless Steel 21-4N with black nitride coating.
Price is for a set of 8 exhaust valves, enough to replace all the exhaust valves in one engine.
Head Diameter Options: Choice of 26.2mm (standard) or 27.2mm (+1mm)
* Single groove
* Length: 105.35mm (standard)
* Stem Diameter: 5.94mm
If you're replacing your valves, we recommend also replacing the valve seals and guides at the same time. Supertech makes both of those too, available separately on our site.