Quote:
Originally Posted by Tommy L Garage
I’ve got 12mm all around.
Might need to do 15. Can I do 20 up front or is it pushing it ?
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I think the common recommendation is 15mm up front on 437M's, but you may be able to get away with 20mm. My fronts are 9.5", ET15 so they poke a hair more than stock 437 w/ a 20mm spacer. I'm dropped on Swifts and have no issues up front on stock 255's.