Oil Seal, Magdyno Pinion, BSA Goldstar, B31 B33, M20 M21, 65-2316
Magdyno Pinion Oil Seal
A Magdyno pinion oil seal suitable for BSA singles including the Goldstar, B31, B33 and M20 and M21 models.
External diameter: 38.18mm
Internal diameter: 14.46mm
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