12H1663 Oval Cup Washer for Rocker Cover for Nuffield 425 and Leyland 154 tractors.

Holds in place the oval shaped sealing washer.  Priced individually you will use two washers per rocker cover.

See item number 23 in the diagram.

Fitted to engines:

BMC1500cc 4 cylinder diesel engine
BMC 1622cc 4 cylinder petrol engine
Thornycroft T90 marine engine

Fitted to tractors:

• Nuffield 4/25
• Leyland 154