Rotor size and type:
12.9 x .94 (330 x 24) vented rotor – Sport
12.9 x 1.1 (330 x 28) vented rotor – Sahara and Rubicon
Caliper size and type:
1.88 (48) twin-piston floating caliper – Sport
2 (51) twin-piston floating caliper – Sahara and Rubicon
Rear:
Rotor size and type:
12.9 x .47 (328 x 12) solid rotor – Sport
13.4 x .55 (342 x 14) solid rotor – Sahara and Rubicon
Caliper size and type:
1.77 (45) single-piston floating caliper – Sport
1.88 (48) single-piston floating caliper – Sahara and Rubicon