The fine restoration work of a very skill craftsman. Mark Motshagen https://pbase.com/image/167124742

906 OEM both the fan and the fan-housing https://pbase.com/image/167124747

245mm 911 Fan Milled Down to 225mm 906/RSR Specs https://pbase.com/9146gt/image/167124756 in an OEM Small Mag Racing Fan-Housing

245mm 911 Fan Milled Down to 225mm 906/RSR Specs https://pbase.com/9146gt/image/167124745

ALL three fans retain their original factory finish and they will only be treated with Zepreserve to continue to protect the Magnesium.

The two small Mag racing fan-housings in these photos https://pbase.com/9146gt/image/167124743 are both OEM and were chromate conversion treated. See here https://en.wikipedia.org/wiki/Chromate_conversion_coating