Jeeps w/drum brakes came w/skinny wheels which do not have clearance for the calipers. Most all Aftermarket Wheels (5×5.5) are made to fit with disc brakes.

NOTE: Aftermarket Wheels 15″ or larger are required or Wheels from a Jeep w/disc brakes. So now you do not have to grind your knuckles or calipers! Your stock spindles work with our Jeep Kits. (but you will be grinding with the other guys kit) Hey Look!!!…Our Calipers have been machined to remove metal. Ready top bolt-on and no need to grind your knuckles or calipers. This front Disc Brake Kit works great on 1976-78 Jeep CJ w/dana 30. Just email or call us anytime if you have any questions. Once we have the 2 bearing numbers we’ll know exactly what you need. Take one side apart and tell us the numbers on the inner + outer wheel bearings. So for you to get the correct Disc Kit the fist time you need to do this….

Important: Read Before Purchasing this Disc Brake Conversion Kit! We have seen over time about 80% of 1976-77 Jeeps CJ’s have a different set of spindles. Premium front Drum-to-Disc Brake Conversion Kit for 1976-78 + Later Jeep CJ which has dana 30 w/Open Knuckle * On Sale Now * #HPJ-D3076 (see our other listing for 1972-75 Jeep CJ)

78 jeep cj slotted rotors