12H213. Nuffield 425 & Leyland 154 engine exhaust valve.

Note: The type with ‘o’ ring seal AEK113.

Dimensions:

• Overall length: 119.5mm
• Head diameter: 29.5mm
• Stem diameter: 8.68mm
• Valve set angle: 45 degrees

See item number 14 in the illustration. 

Fitted to engines:

• BMC 1500cc 4 cylinder diesel engine
  (No. 15T/218A/D101 upto engine No. D7201)
• Engine No. D7201 onwards see 62H60

Also fitted to:

• Thornycroft T90 Marine engine
• Sherpa Vans
• Generator Sets