I'm thinking the bigger calipers may not fit your bracket, if they're the ones I think they are, they're like the Dodge 1ton 4wd calipers and are slider type vs pin type. They fit, they are near identical except for the piston size. I've had both on the brackets. Even the earlier '77 style fits. They are the smaller piston but the banjo bolt is 7/16 instead of 10mm. Kind of hard to find braided steel brake hoses with the 7/16 hole.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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