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This JE Pistons single top ring is a 1/16" HNS top ring sized for a 4.125" bore and is supplied as an individual replacement ring for piston rebuilds. Intended for engine assembly and maintenance, the correct bore sizing ensures proper fit on pistons with a 4.125" diameter, allowing technicians and builders to replace worn rings during engine service without changing piston or ring pack geometry.
JE Pistons 4.125in Bore 1/16in HNS Top Ring - Single
