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This Mahle plain top ring set fits a 4.470 in bore with a .017 in Dykes specification (PC479). Supplied as plain top rings for rebuilding or engine replacement, the rings provide the standard sealing surface needed in piston assemblies and are offered in the bore and thickness specified for accurate, repeatable fitment in compatible engine builds.
Mahle Rings 4.470in Bore Dia .017in Dykes PC479 Top Rings Plain Ring Set
