Calvert split mono leafs

-1 split mono on 28” tire (275/60/15), gotta get the backspacing right. They’re stiff enough to prevent the tire from coming up into the wheelhouse when bouncing through the pits. Measure the inner width of your front hangers so they give you the right setup as they have a couple available since a couple of the in-board kits have different widths (what I was told be them when I ordered for the in-board kit I’m doing):
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Great info. Thank you!