Fitment knowledge · f100-dentside
1973–1979 · 2 sourced fitment findings. Review the linked reports for each setup.
A factory dentside Highboy runs 33s clean at stock height — 35s are a no without modifications.
Heads up: Factory Highboy (F-250 4x4 through mid-77) clears 33s at stock height; 35s do not fit an unmodified truck
1 linked source · reported fitment, not an independent test
35s on a dentside 4x4 want spring work — add-a-leaves get them in, and 315/75R16 is the clean alternative.
Heads up: Add-a-leaf all around squeezes 35s in but they sit stuffed in the wells; the narrower 315/75R16 clears without rub on factory 4"-lift trucks
1 linked source · reported fitment, not an independent test
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