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Rotora Street Challenge Front & Rear Brake System for 2020+ Explorer ST

$ 3,795.00

Now Available at whoosh motorsports!  Upgrade the stopping power on your 2020+ Explorer ST with a Rotora big brake kit!

Explorer ST specific features include:


Forged Aluminum 8-Piston Calipers (RF802 Type)

405x36mm (16”) 2-Piece Directional Disc Rings (Airfoil Slotted or 3D Drilled)

Forged Aluminum Bell Hats with Anti-Rattle Float Drive Hardware

Steel Caliper Brackets

Stainless Steel Braided Brake Lines

H2 Ceramic Street Performance Pads


Forged Aluminum 4-Piston Calipers (RF403 Type)

380x29mm (15”) 2-Piece Directional Disc Rings (Airfoil Slotted or 3D Drilled)

Forged Aluminum Bell Hats with Anti-Rattle Float Drive Hardware

Forged Aluminum Caliper Brackets

Stainless Steel Braided Brake Lines (Upper & Lower)

H2 Ceramic Street Performance Pads

Rotora Electronic Parking Brake Modules

Additional Explorer ST details:

  • Fits OEM ST Wheels with NO modifications or spacers required 
  • 10 Caliper colors Available
  • 2 Rotor Styles Available 
  • H2 Ceramic Brake Pads included , contact us for higher street/track or track only pads 
  • FREE SHIPPING in the Continental USA
  • 3-4 week build time 
  • contact us for install guides and wheel fitment templates 


Rotora®'s high-performance Street Challenge Brake System enables superior brake modulation while improving overall pedal feel to ensure equal distribution of weight transfer when braking.  To achieve this proportional front-to-rear brake bias, Rotora®’s brake systems are strategically engineered to work in conjunction with the original vehicle stock master cylinder thereby producing shorter stopping distances.  In using larger calipers and discs made with stronger, lighter weight material, Rotora® Brake System’s thermal capacity and brake torque is increased over the vehicles original brake system.  These are the design enhancements that are demanded in high-performance street and track vehicles.  All Rotora® Brake Systems are fully compatible with ABS and traction control systems.  All brake components are direct bolt-on systems for production vehicles with minimal modifications required. 


  • Rotora® forged aluminum 2, 4, 6, and 8-piston calipers with sequentially sized piston bore sizes engineered to each specific vehicle and to minimize pad taper wear for longer pad life.

  • All Rotora® calipers are fully forged (2024-T6) for optimal strength, stiffness and light weight.

  • High temperature dust boots are included to reduce caliper maintenance.

  • Rotora® two-piece constructed billet 7075-T6 forged aluminum hat to reduce heat related stress and unsprung weight.

  • Rotora® Anti-Rattle Float Drive Hardware for two-piece discs systems to allow discs to expand and contract under extreme usage.

  • Rotora® 1 or 2-piece directional vented (heat treated) discs to increase airflow/cooling under severe braking. Slotted or drilled oversize discs up to 16” (405 x 36mm) to ensure increase thermal capacity while relieving the disc and brake pad surface free of excess debris. All discs are coated with anti-corrosion zinc plating as added rust protection.

  • Rotora® 7075-T6 billet aluminum forged caliper bracket (depending on application) to reduce unsprung weight.

  • Rotora®’s range from ceramic to carbon metal brake pads are designed to accommodate street to extreme track use with high co-efficient of friction and high temperature fade resistance.

  • Rotora® DOT compliant stainless steel braided brake lines to improve stiffer pedal feel and prevent brake hose expansion.

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