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The Wiseco Professional Series forged piston for Toyota 20R is a single unit with a 94.01 mm bore and 1.374 in compression height, intended for sport compact applications. Forged from 2618 aluminum in the USA, it includes precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating, a fully machined crown and forced pin oiling to enhance tensile strength, reduce friction and support severe‑duty use.
Wiseco Toyota 20R22R 1.374 C.H 3701XC Piston Shelf Stock
