Bearing, big end shell set, Norton early twins, +20 UK

Bearing, big end journal slipper bearings, +0.020, for Norton early small journal (1-1/2in) twin cylinder engines, 500cc 600cc, Made in UK.
Original Part Number:
D12/27; 17828; 067180; 06-7180 - 1 x big end shell set (+020) [2 x big ends eg both cylinders];