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After 15+ years of development, we are pleased to finally announce our 2-Piece Rotor 4-Pot Front BBK that will fit the IS300, ALTEZZA and JZX110 Chassis

These kits utilize the latest patented technology from RB Performance Brakes to deliver a light, versatile and affordable braking upgrade while also keeping long-term replacement costs affordable.

Kit contains

  • 4 Two-piece center-mount open slot rotors
  • 2 4-Piston aluminum calipers front
  • 2 2-Piston aluminum calipers rear 
  • 4 Aluminum adapters made of 7075-T6 Alloy (stronger and stiffer than 6061-T6)
  • 1 Set (2 Pair) of stainless steel brake lines
  • 2 Set of RB Performance street brake pads Front and Rear
  • 1 Liter Motul RBF 600 brake fluid 



  • Rotors
    • Front 330mmx30mm
    • Rear 330mmx24mm
    • 2-Piece fully floating center-mounted rotors allow free rotor thermal expansion
    • Rotors are a special alloy iron material that is heat-treated for uniform micro grain structure. This process and material are the key to the highest level of braking performance and wear characteristics.
    • Aluminum center hats are EDP coated for protection.
    • Rear Hats feature a exclusive bi-metal cast iron sleeve for parking brake retention.
    • Convergent vane design
    • Patent Pending Open-Slot design combines slotted and vented rotor properties without the crack-prone stresses involved with these 2 processes.
    • DACRO coated 10.9 fasteners on rotor ring to hat interface held in tension to allow floating under expansion loads
  • Caliper
    • 4-POT front and 2-POT rear Forged 6061-T6 weighing only 4.5lbs
    • Direct Bolt-on fitment
    • 7075-T6 Mount brackets are CNC machined and EDP coated
    • Low profile design for more wheel fitment options. Clears factory 17" wheels on IS300.
    • 38mm internal seal piston is thermally vented to reduce heat transfer 90% over Aluminum pistons commonly used in BBK calipers. This means longer times at the track and less heat conduction into the brake fluid.*
    • Powdercoated finish in red, black and optionally hard anodize
    • Uses Standard FMSI pads (D647) making replacement pad options vast.
    • Tethered EPDM bleeder cap means no more lost bleeder caps.
    • Made in the USA, Designed fully assembled and 100% hydro tested prior to shipment in Fullerton, CA.


With all of these features, these kits lead in performance and price.  


*While these brake kits are created with the highest performance in mind, certain competition conditions and extended track use is not suggested(endurance racing) but HPDE and spirited street driving is no problem. We have a heavier duty caliper design for extended track and competition use.  Contact us for details.


These kits are made to order and may take several weeks to assemble.

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  • $4,000.00
  • $3,750.00

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Tags: bbk, IS, ALTEZZA, IS200, IS300, JZX110, CHASER, JZX, big, brakes, front, rear, 4 corners, 330, 330mm, bbk, forged