Original OS Engines rear crankshaft bearing, part number 23930000.

Compatible with:

• OS .21XM
• OS .21RX
• OS .21EXB-R
• Other OS engines using bearing 23930000

Features:

• Genuine OS factory part
• Rear crankshaft bearing
• New old stock (NOS)
• Original replacement component
• Ideal for restoring or rebuilding vintage OS racing engines

Part Number: 23930000

Includes:

• 1 × Genuine OS Engines Rear Bearing

Please verify compatibility with your engine before purchasing.