2005-2015 Toyota X-Runner & Tacoma 2x4 Rear Disc Brake Conversion –TR12.2XR
Upgrade your truck's rear braking system with the TR12.2XR Rear Disc Brake Conversion, designed for the 2005-2015 X-Runner & 5 Lug Tacomas. Designed to replace factory drums, this kit delivers modern braking performance, enhanced stopping power, and confident pedal feel.
Key Features
- FJ Cruiser 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
- Centric/Stoptech Pads – Matching pads for quiet, consistent braking
- Balanced Performance – Engineered as a complete system for smooth, confident braking in all conditions
Vehicle Fitments
Direct Fit for 5 Lug Models with the SOS Performance Rear Disc Conversion Installed:
- 2005-2015 Toyota X-Runner
- 2005-2015 Toyota Tacoma 2x4 (5 Lug)
Pad Options
- Ceramic – Quiet operation, low dust, smooth everyday performance
- Sport – Higher friction, stronger bite, more aggressive braking feel
Parking Brake
Add the mechanical parking brake assembly to retain full parking brake functionality with your disc conversion. Perfect for street use, towing, or vehicles 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 or rubber lines depending on what you select on the "Select Brake Lines" dropdown.
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
- Rear FJ Cruiser Calipers (Pair)
- OEM Size Rear Rotors (Pair)
- Set of Centric/Hawk Pads
- Stoptech Stainless Brake Lines
- Mounting Brackets & Hardware
- Optional: Parking Brake Kit
- Optional: Master Cylinder 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.