Superb high quality UK made filler neck, cap and ‘O’ ring seal.
The dimensions are:
- cap diameter 54 mm
- cap height 15 mm
- overall height 56 mm
- bore 38 mm
- neck outer Dia 44.5 mm with a step 5 mm long of 40.4 mm Dia.
- neck thread is M48 x 2.5. Cap thread is M48.5 x 2.5.

