The outside mounting holes are 35-1/4" inches (center of hole to center of hole)
If your air breather cap fits on the inside of the air breather tube
RM90-2 Rearmount Finish Mower (1980-91)
8 Cell Small Corn Seed Plate for International Harvester and McCormick Planter Hoppers
New Light Clamp Mount for IH Farmall Tractors, 350920R1 The outside mounting holes areNew Light Clamp Mount. Mount will fit the following tractor models: IH Farmall, McCormick Deering, and International Tractors 2300A, 2400A, 2500A, B 414, C, Cub, H, HV, I4, I6, I9, ID6, ID9, M, MD, MDV, MV, O4, O6, ODS6, OS4, OS6, Super C, Super H, Super HV, Super M, Super W9, W4, W6, W9, WD9, WDR9, WR9, 100, 130, 140, 154, 185, 200, 230, 240, 300, 330, 340, 350, 354, 364, 384, 385, 400, 404, 444, 450, 454, 460, 464, 484, 544, 560, 574, 584, 600, 606,