Manufactured by Teraflex. The TeraFlex JK/JKU Replacement Front Passenger Slotted Brake Rotor is a direct replacement for our Front Big Brake Kit w/ Slotted Rotors and Front Performance Big Rotor Kit w/ Slotted Rotors. FITS: � JK Wrangler (2-door) � JKU Wrangler Unlimited (4-door) � FITS: front passenger side only. INCLUDES: � Front passenger slotted brake rotor FEATURES & BENEFITS: � Improved braking performance over factory brake system � Larger 13.3� (338mm) rotors for superior stopping performance � stock is 11.9� (302mm) � Slotted rotors offer better heat dissipation than smooth rotors � Mill-balanced vented rotors for maximum heat dissipation � Rotors feature dual bolt patterns � 5x5� & 5x5.5� NOTE: � Requires a minimum of 17� diameter wheels. � Replacement Front Driver Slotted Brake Rotor (# 4303412) also available. � Replacement standard Brake Rotor (# 4303410) also available.