This is an original Factory Magnesium Flat Fan assembly that was used on the 934-962, it is very low time and been on the shelf since about 1990, mechanically its perfect, the internal bevel gears are as new, it comes with a new rubber Guibo and German epoxy fiberglass and an original aluminum fan as used on the 934. I’m happy to substitute one of our lighter CNC fans in its place. Comes with all you need to install on your engine. $36.500.00 USD.