Norton plunger frame rear chain adjuster bolt + nuts +cup. Suit all Norton Plunger heel models 1947 to 1953. Fits onto B4/665 stirrup Original Part Numbers: B4/668 - Rear chain adjuster cup x 1 B4/666 - Rear chain adjuster bolt x 1 B4/667 - Rear chain adjuster nut x 1 E3231 - Rear chain adjuster locking nut x 0
