Aluminium deep sump to fit a Type 1 aircooled crankcase that adds 1.5 litres of extra oil capacity for improved cooling and oil supply.
Finned aluminium...
Scat VW aluminium deep sump to fit a Type 1 aircooled crankcase that adds 2 litres of extra oil capacity for improved cooling and oil supply.
Reinforced internally...
CB Performance aluminium Wide Glide with extra filter deep sump to fit a Type 1 aircooled crankcase that adds 2 litres of extra oil capacity for improved cooling...