Wilwood 140-18368-DR SX6R Front Big Brake Kit Mustang II Roadster Shop 15" Drilled & Slotted Rotor Red

The Wilwood 140-18368-DR is a high-capacity SX6R front big brake kit engineered specifically for Roadster Shop SPEC and REVO RS chassis equipped with the RSF-2 forged spindle on Mustang II-style suspensions. This kit delivers serious big-brake stopping power with modern engineering and premium components throughout.

Key Features:

• Forged Six-Piston SX6R Calipers – Increased piston volume provides stronger clamping force with reduced pedal effort; finished in gloss red powder coat
• 15.00" Drilled & Slotted Spec37 Iron Rotors – 72 curved-vane vented design improves airflow and cooling for sustained performance under heavy braking
• Lightweight Two-Piece Aluminum Hats – Reduce unsprung weight while maintaining structural integrity at the rotor mounting interface
• BP-10 Series Street Performance Brake Pads – Engineered for quick initial response, fade resistance, and extended pad life in street and performance applications
• Roadster Shop RSF-2 Spindle Compatible – Designed specifically for Roadster Shop SPEC or REVO RS chassis using the RSF-2 forged 6000-series spindle
• Multiple Caliper Colors & Rotor Styles Available – Optional configurations and track-only upgrades available by custom order

Thicker vented rotors improve thermal management and long-term durability, while the rigid caliper architecture ensures consistent, repeatable brake feel. The Wilwood SX6R big brake kit is the top-tier caliper option in the Roadster Shop RSF-2 lineup, sitting above the Dynalite, Dynapro 6, Superlite 6, and Aerolite 6 in terms of capacity and performance.