62H60 / JAM3299 VALVE.  Nuffield 4/25 Exhaust Valve. Leyland 154 Exhaust Valve.  Fitted in 1500cc 4 cylinder BMC diesel engines in Leyland tractors, Thornycroft boat engines, Sherpa Vans and Pickups.

Use on BMC 1500 engines with serial number D7201 onwards.  See item number 14 in the illustration.

Use with 12H2117 Valve Cotter, 12H214 Inner Valve Spring, 12B1339 Valve Guide.

Dimensions: Head diameter 29.3 mm.  Stem diameter 8.7 mm.  Total length 119.50 mm.  Valve face angle 45^o degrees.

Fitted to:

• Nuffield 4/25 tractor
• Leyland 154 tractor
• Thornycroft T90
• Sherpa Vans and Pickups

Alternative part numbers: JAM3299. JAM3476