AMK1570. Inlet valve anti rotation key (oval shape).

First used on the BMC 3.4 engine to stop the masked inlet valve from rotating.

Note: Two styles of inlet valve key were used check change points below before ordering.

See item number 32 in the illustration. 

Fitted to engines:

• 3.4T 4 cylinder BMC engine E.No. 13324 on
• 3.8T/TA 4 cylinder BMC engine to E.No. 58395
• 2.6T/TA 3 cylinder BMC engine
• 2.8T 3 cylinder BMC engine

(These engines could also be converted to the later valve key: 37D441 used together with 37D442 and 37D443) 

Fitted to tractors: 

• Nuffield: Universal Three (3DL), Universal Four (4DM)
• Nuffield: 342, 460