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Wiseco Professional Series forged piston set for Honda R18A (81.00 mm bore) is a four‑piston sport compact replacement built for heavy to severe duty applications. Forged from 2618 aluminum and machined in the USA, these pistons include precision ring grooves, anti‑detonation features and ArmorGlide skirt coating for seizure resistance and reduced friction. Fully machined crowns and forced pin oiling are additional race‑oriented details supplied with the set.
Wiseco Honda R18A 81.00mm 8.9:1 CR Bore -10cc Dome Piston Shelf Stock Kit
