I want to convert to disc brakes and also change the bolt pattern so I can put on bigger wheels on my 63 Dart GT . Can I swap complete set from any other Mopars without major modifications? Any suggestion on good mechanic/shop in S.F. Bay Area can assist with modifications.

I am not familiar with the early A-bodies however these should bolt right in.

1973+ Plymouth Duster and/or 1973+ Dodge Dart / Dart Sport.

You'll need the upper control arms, spindles, calipers, caliper brackets, dust shields, rotors, and pads. These are already 5 x 4.5-inch bolt pattern.


For rear disk brakes I use 1994-98 Jeep Grand Cherokee (ZJ) rear disks.
*These will only work if you already have a large bolt pattern rear end.*

You'll need the calipers, caliper brackets, dust shields, rotors, and pads.
If you want the P-brake to function you'll also need the P-brake cables, P-brake shoes, & P-brake hardware. You will probably also need a small shim to keep the shoes from rubbing.

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1969-1/2 Dodge Super Bee A12 (440 Six Pack, 4-spd, Dana 60)
1974 Plymouth Duster 360 (4-spd, 8.75")
1973 Plymouth Duster (225, auto, 8.25")
2001 Dodge Ram 1500 QC 2wd (5.9L, auto, Dana 60)

Yes, that works on early A-bodies too.

You can also use the spindles, caliper brackets, calipers, and rotors off a late '70s B or R body, which will give you 11.75" discs up front. You use these with the '73-'76 A body upper control arms and ball joints. The B/R body spindles are taller - you can use A-body spindles with the other B/R body parts if you want the stock spindle height. That's what I'm using, although I did this before anyone had worked out that the geometry with the taller spindles is also acceptable.

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"Mad Scientist" Matt Cramer
'66 Dart - turbocharged 225
My blog - Mad Scientist Matt's Lair

If you have the 1973-1976 A-body disc brake spindles (everybody wants these since whey work for the other 'classic' bodies too..), then you can just add the caliper brackets, calipers, and rotors from the late B/R-bodies with the larger disc to get the better braking (they are heavier though), the down side the this is you'll have to use a 15" rim or bigger to clear the calipers properly...

-D.Idiot