Disc Brake Kit Comparison

 
 DescriptionSmallest WheelVehiclesKnucklesPistonsCaliper PositionRecommended Rear Brakes
Stage 1OEM style calipers on 10.95" rotors14" Mopar Disc Brake Spec’62-’72 B-Bodies
’63-’76 A-Bodies
’70-’74 E-Bodies
Repro ‘73+ A/E-Body Disc Knuckles Included1 Piston
2.75” Bore
Toward Front or Rear10 x 2 ½” Drums
or
DoctorDiff 10.7” Discs
Stage 2OEM style calipers on 11.75" rotors Most 15"’62-’79 B-Bodies
’63-’76 A-Bodies
’70-’74 E-Bodies
Repro ‘73+ A/E-Body Disc Knuckles Included
(can be deleted)
1 Piston
2.75” Bore
Toward Front or Rear10 x 2 ½” Drums
or
11 x 2 ½” Drums
or
DoctorDiff 10.7” Discs
Stage 3Cobra PBR-style calipers on 13" rotorsMost 17"’62-’79 B-Bodies
’63-’76 A-Bodies
’70-’74 E-Bodies
Fits:
’62-’72 B-Body Drum
’70-’74 E-Body Drum
’73-‘76 A-Body Drum
’70-’72 B/E-Body Disc
’73+ A/B/E/F/M/J/R Disc
(New Repro ‘73+ A/E-Body Disc Knuckles Optional)
2 Piston
1.5” Bore
Toward Front or Rear10 x 2 ½” Drums
(add 7/8” bore wheel cylinder)
or
DoctorDiff 11.7" Discs
Stage 4Brembo style calipers on 13" rotorsSome 17"
Most 18"
’62-’79 B-Bodies
’63-’76 A-Bodies
’70-’74 E-Bodies
Fits:
’70-’72 B/E-Body Disc
‘73+ A/B/E/F/M/J/R Disc
(New Repro ‘73+ A/E-Body Disc Knuckles Optional)
4 Piston
1.5”/1.625” Bore
Toward Rear Only

Knuckles can be swapped side to side if necessary
10 x 2 ½” Drums
(add 7/8” bore wheel cylinder)
or
DoctorDiff 11.7" Discs
Strange Pro Race
(drag only)
Lightweight Strange calipers and rotors15"’62-’79 B-Bodies
’63-’76 A-Bodies
’70-’74 E-Bodies
Fits:
’62-’72 B-Body Drum
’70-’72 E-Body Drum
’63-’76 A-Body Drum
’70-’72 B/E Body Disc
‘73+ A/B/E/F/M/J/R Disc
(New Repro ‘73+ A/E-Body Disc Knuckles Optional)
4 Piston
1.75”/1.625” Bore
Toward Rear Only

Knuckles can be swapped side to side if necessary
10 x 2 ½” Drums
(add 7/8” bore wheel cylinder)
or
Strange Pro Race Rear
or
Strange S Series Rear