2005-2015 Toyota X-Runner & Tacoma 2x4 Rear Disc Conversion Stoptech 4 Piston Big Brake Kit – TR345.4
Upgrade your Tacoma's rear braking system with the TR345.4 Rear Disc Conversion Stoptech 4 Piston Big Brake Kit. Designed to replace factory drums, this kit delivers modern braking performance, enhanced stopping power, and confident pedal feel. With optional parking brake integration, it’s the perfect solution for drivers who want both performance and convenience in one package.
Key Features
- Stoptech 4 Piston Calipers – High-strength aluminum calipers for maximum clamping force and reduced fade
- Stoptech High-Carbon Alloy Rotors – Engineered to resist warping, cracking, and uneven wear
- Hawk/Stoptech Premium Pads – Choose matching pads for quiet, consistent braking
- Optional Parking Brake – Maintain full functionality with a mechanical parking brake add-on
- Balanced Performance – Engineered as a complete system for smooth, confident braking in all conditions
Vehicle Fitments
Direct Fit for 5 Lug Models with 18"+ Diameter Wheels:
- 2005-2015 Toyota X-Runner
- 2005-2015 Toyota Tacoma 2x4
Pad Options
- Ceramic – Quiet operation, low dust, smooth everyday performance
- Sport – Higher friction, stronger bite, more aggressive braking feel
Parking Brake Kit
Add the mechanical parking brake kit to retain full parking brake functionality with your disc conversion. Perfect for street use, towing, or Tacomas where parking security is essential.
- The parking brake kit is HIGHLY recommended for manual transmissions.
- OEM drum-style parking brake offers around 50% more friction surface and a larger diameter than the rotor-integrated drum — recommended for maximum holding power
- NOTE: If you add on the parking brake kit, please ignore the "No Lines". You will recieve stainless lines.
Master Cylinder Upgrade Kit
Add the Master Cylinder Upgrade Kit to ensure proper hydraulic balance, firmer pedal feel, and consistent braking performance under heavy use.
–Vehicles with manual tranmission include a required clutch reservoir
What’s Included
- Stoptech 4 Piston Rear Calipers (Pair)
- Stoptech 345mm Rear Slotted Rotors (Pair)
- Set of Hawk/Stoptech 4 Piston Pads
- Stoptech Stainless Steel Braided Brake Lines
- Mounting Brackets & Hardware
- Optional: Parking Brake Kit
- Optional: Master Cylinder Upgrade Kit
Replacement Parts
Why Choose SOS Performance?
- Proven Quality: Every kit is designed, tested, and backed by years of hands-on performance experience.
- Performance You Can Trust: From daily driving to heavy-duty use, our components deliver reliability and confidence.
- Support That Cares: We’re a family-owned business dedicated to helping you get the right setup for your vehicle.
- Fast Shipping: Most orders ship same or next day, so you can get on the road quicker.