Silvia's Helical diff is what I need in my life, haha.
I remember you writing on NRR about installing s15 helical and using Ford alternator bushings as a spacers for ring gear bolts.
Would you share what model/year Ford alternator bushing were these? The Nismo conversion bolts I heard are discontinued now and rather expensive for what they are.
What is your experience with these spacers, did they lasted without problems or are there other bolts from other cars that can be used instead of Nismos?
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