Wilwood 140-18247 Front Big Brake Kit Nissan Skyline - FNSL6R 6-Piston 240SX

The Wilwood 140-18247 is a front big brake kit built around the legendary Forged Narrow Superlite 6R (FNSL6R) six-piston caliper, designed specifically for the Nissan 240SX (1989–1998) and compatible Skyline applications. This application-specific kit is engineered for a simplified, bolt-on installation while maintaining full compatibility with the OE master cylinder output and ABS systems where equipped.

Key Features:

• Forged Narrow Superlite 6R (FNSL6R) 6-Piston Caliper — Wilwood's high-performance forged caliper delivering exceptional clamping force and thermal management
• Big Rotor Upgrade — Supports 13"–14" rotor diameters for dramatically increased swept area and heat dissipation over the OE setup
• Application-Specific Engineering — Designed to work with factory master cylinder output and retain ABS functionality where applicable
• Bolt-On Installation — Engineered brackets and hardware for a straightforward fitment without custom fabrication
• Optional Caliper Finishes — Available in multiple anodized color finishes to complement custom wheel and suspension builds
• Optional Rotor Designs — Choose from drilled, slotted, or combination rotor configurations to match performance and aesthetic preferences
• Street & Track Ready — Ideal for high-performance street driving, autocross, road course, and show car applications

The Wilwood FNSL6R front big brake kit is the perfect upgrade for Nissan 240SX and Skyline builds seeking increased stopping power to complement engine, suspension, and wheel/tire modifications. The narrow caliper profile maximizes compatibility with a wide range of aftermarket and OEM wheel designs, making this kit as practical as it is powerful.