StopTech 4-Piston Rear Big Brake Kit
Take your vehicle's stopping power and pedal feel to the next level with the StopTech 4-Piston Rear Big Brake Kit. Exclusively developed by SOS Performance, this high-performance system combines StopTech ST-41 calipers, oversized 345mm rotors, and stainless steel lines to deliver exceptional heat dissipation, reduced brake fade, and an aggressive look behind your wheels-all while retaining full factory ABS functionality.
Key Features
- StopTech 4-Piston Calipers: Features rigid ST-41 4-piston calipers designed for maximum clamping force and precise pedal response.
- Oversized 345mm Rotors: Substantially increases thermal capacity and leverage over factory rear brakes.
- Custom Rotor Finish Options: Available in Plain, Drilled, Slotted, or Drilled & Slotted patterns to suit your driving style.
- Firm, Responsive Pedal Feel: Includes DOT-compliant StopTech stainless steel braided lines to eliminate rubber hose expansion.
- Low-Dust Ceramic Pads: Ships with StopTech ceramic brake pads for quiet, smooth, and clean stopping power.
- Retains Factory ABS: Fully compatible with OEM anti-lock braking systems.
What's Included
- (1) Pair StopTech ST-41 4-Piston Rear Calipers
- (1) Pair StopTech 345mm Rear Rotors (Choice of Rotor Finish)
- (1) Set StopTech Premium Ceramic Rear Brake Pads
- (1) Pair StopTech Stainless Steel Braided Rear Brake Lines (DOT Compliant)
- (1) Pair Custom Rear Caliper Mounting Brackets
- All Required Mounting Hardware & Instructions
Specifications & Fitment Notes
- 2010–2024 Toyota 4Runner (6-Lug)
- 2010–2014 Toyota FJ Cruiser (6-Lug)
- 2010–2023 Lexus GX460 (6-Lug)
- Wheel Clearance: Requires 17" or larger diameter wheels.
- Installation Note: Trimming of the factory OEM rear dust/backing plate is required for installation.
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- 2010-2024 4Runner
- 2010-2015 FJ Cruiser
- 2010-2023 GX 460