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Mahle OE plain second-ring set specified for a 4.250 in bore: Napier steel 2nd rings sized 4.250" x 1.0 mm with a .136" ring width supplied as a plain ring set. Intended for use in engine rebuilds where OE-style Napier steel second rings are required, this set provides consistent dimensions and materials for reliable ring replacement and assembly.
Mahle Rings Performance Napier Steel 2nd Ring 4.250in x 1.0MM .136in RW Plain Ring Set
