Wilwood 140-18247-R Front Big Brake Kit Nissan Skyline - FNSL6R 240SX

The Wilwood 140-18247-R is a front big brake kit built around the Forged Narrow Superlite 6R (FNSL6R) six-piston caliper — one of Wilwood's most capable street and track caliper platforms. Engineered specifically for the Nissan 240SX (1989–1998) and Skyline, this kit supports 13" to 14" large-diameter rotors for a dramatic increase in braking performance over factory equipment.

Key Features:

• Forged Narrow Superlite 6R Caliper: Six-piston, fixed-mount design delivers exceptional clamping force and consistent pedal feel under hard braking
• Application-Specific Engineering: Brackets and hardware are designed specifically for the 240SX / Skyline platform for straightforward bolt-on installation
• OE Master Cylinder Compatible: Engineered to work within factory master cylinder output ranges — no brake booster or master cylinder upgrade required
• ABS Compatible: Maintains full compatibility with factory ABS systems where equipped
• Big Rotor Support: Accommodates 13" to 14" rotors for significantly increased swept area and improved heat dissipation
• Style Options: Available in multiple caliper finishes and rotor configurations to complement custom wheel, tire, and suspension builds
• Right Side (R): This listing is for the right-side front caliper/kit assembly

This kit is ideal for show cars, high-performance street builds, and track-day vehicles where upgraded braking capacity is essential. The FNSL6R platform is a proven choice among enthusiasts seeking a balance of race-bred stopping power and street-legal reliability. Wilwood's application-specific design eliminates guesswork during installation, ensuring proper fitment and full system compatibility right out of the box.