The TeraFlex JK front big brake replacement slotted rotor is a direct replacment to keep your Jeep on the road. The 13.3 inch Mill-balanced, vented and slotted rotor provides greater braking leverage to allow stopping distance to be decreased substantially and decreases heat buildup. The rotors also feature two wheel bolt patterns - 5x5 Inch and 5x5.5 inch. Fits passenger side.Fits: 07-Present Jeep Wrangler JK 07-Present Jeep Wrangler Unlimited JK Details: JK Front Big Brake Slotted Rotor - Passenger 13.3 Inch Mill Balanced Rotor Provides Better Braking Leverage Vented And Slotted Cools And Allows Decreased Stopping Distance Dual Bolt Patterns - 5 x 5 Inch And 5 x 5.5 Inch Fits Passenger Side