M10 fan threads. 6 housing to backing plate bolts.
42mm diameter fan centre flange with 4 x M10 threads 65mm diagonally.
115mm OD pulley. 38mm OD hose tail. 27mm OD bypass hose tail.
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M8 fan threads. 6 housing to backing plate bolts. 28mm diameter fan centre flange with 4 x...
M10 fan threads. 6 housing to backing plate bolts.
42mm diameter fan centre flange with 4 x M10 threads 65mm diagonally.
115mm OD pulley. 38mm OD hose tail. 27mm OD bypass hose tail.