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So if I am understanding correctly the 2L Euro 75 Twinspark used a 4x98 offset with 4 lugs and a 14" wheel?

If correct, I assume a stock early Alfetta ATE caliper could be used with a spacer added with the 2L Euro 75 Twinspark vented disc brakes? In addition the 75/Milano aluminum Brembos from the 2L Euro 75 Twinspark will work, but did Alfa use spacers in these calipers as well to get the vented rotor to work?
 

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Thanks. A 5 bolt stud is not going to work for a Alfetta 4 hole 14" wheel ufortunatly.
ts used a 5 x 98 bolt pattern. I cannot say if the disc/caliper is a direct swap, but probably yes, ast the lugs are fitted to the disc itself and the overall height of the discs is unchanged.

this is the drawing of the non-vented disc

Brembo | Aftermarket Catalogue

and this is the vented one

Brembo | Aftermarket Catalogue

hope it helps
 
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