A worn plain bushing can cause more problems than you might think. Low oil pressure, seizer and unwanted damage to your crankshaft. Installing the best quality bushing for your application is a must and cannot be avoided.

This new BSA C15 / B40 bushing is made in England by the original manufacture – Alpha. Features a bronze insert inside a steel backed housing. Timing side bushing will replace BSA part number 40-0389 and 40-0391 and all other superseded part numbers. Inner diameter measure 1.311″. Fits all BSA C15 and B40 models (C15S, C15F, B40F, etc) from 1958-1966. Check your parts book to ensure the best fitment.

• Replaces part number 40-0389 and 40-0391
• Free shipping in the USA