I like and am considering this one myself, an S & S unit but not cheap.
A number of people have recommended Matt's Machine Shop in South Wales to me as a supplier, no experience thereof but their oil filters are certainly cheaper than elsewhere.
They do have a website. Keep us posted!

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1969 4/4
1995 plus 8
2002 Aero S1
2013 M3W
2014 Plus 8