• JK Wrangler (2-door)
  • JKU Wrangler Unlimited (4-door)


  • Rear brake caliper relocating anchor brackets - pair
  • Front driver slotted brake rotor (P/N 4303412)
  • Front passenger slotted brake rotor (PN 4303411)
  • Sold As A Kit

Features and Benefits:

  • Improved braking performance over factory brake system
  • Brake caliper relocating anchor brackets retain factory brake calipers and pads
  • No brake bleeding or brake line modification needed
  • Larger 13.3 inch (338mm) rotors for superior stopping performance - stock is 11.9 inch (302mm)
  • Mill-balanced vented rotors for maximum heat dissipation
  • Slotted rotors offer better heat dissipation than smooth rotors
  • Mill-balanced vented rotors for maximum heat dissipation
  • Rotors feature dual bolt patterns - 5 x 5 and 5 x 5.5 inch
  • 100 percent bolt-on upgrade for easy installation w/ basic hand tools


  • Requires a minimum of 17 inch diameter wheels
  • For better heat dissipation, Front Performance Big Rotor Kit for standard rotors (P/N 4303480) is also available
  • Install Time: 2 Hours
  • SKU: 4303490


The TeraFlex JK/JKU Front Performance Slotted Big Rotor Kit is an affordable upgrade for JK Wrangler and JKU Wrangler Unlimited models requiring increased braking performance with oversized - and heavier - wheels and 33-35 inch tires. This simple bolt-on upgrade doesn’t require cutting or welding.






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