420A crank angle sensor information located in here:http://az2gnt.net/FSM/Tech_Info_Man.pdfCheck page "1-20" which is page 41.If you decide to mount your own wheel, which I am pretty sure you will end up doing, you'll have to mount a new hall sensor too which should be pretty simple with a bar of Al stock.
2016 WRX STi Limited (current)2001 A4 1.8tqms (donated)1991 GVR4 #1933 (sold)old.dsmregistry.com/detail.php?carid=218 (dismantled)
