Wilwood 140-18243-DR Front Big Brake Kit FNSL6R 6-Piston Caliper Nissan 240SX/Skyline

The Wilwood 140-18243-DR is a front big brake kit built around the renowned Forged Narrow Superlite 6R (FNSL6R) six-piston caliper, delivering a significant upgrade in braking performance for the Nissan 240SX (1989–1998) and Skyline platform. This kit is part of Wilwood's popular 13"–14" big rotor lineup, purpose-built for enthusiasts who demand more from their braking system on high-performance street, show, and track applications.

Key Features:

• Forged Narrow Superlite 6R Caliper – A six-piston, radial-mount caliper forged for maximum rigidity and heat dissipation, providing consistent, fade-resistant stopping power
• Big Rotor Compatibility – Engineered for use with 13" to 14" rotors, offering dramatically increased swept area over the factory brake setup
• Application-Specific Engineering – Designed specifically for the Nissan 240SX and Skyline to ensure simplified bolt-on installation with no major modifications required
• OE Master Cylinder Compatible – Fully compatible with the stock master cylinder output, maintaining proper pedal feel and hydraulic balance
• ABS Compatible – Designed to work with factory ABS systems where equipped, preserving OE safety functions
• Dual-Direction Rotor (DR) – The "-DR" suffix designates a drilled rotor configuration, aiding in heat dissipation, gas venting, and bite performance
• Customizable Finish Options – Available caliper finishes and multiple rotor designs allow personalization to match wheel, tire, and suspension aesthetics
• Street, Show & Track Ready – Ideal complement to performance suspension, wide-body, and wheel upgrades commonly found on 240SX builds

The FNSL6R caliper is one of Wilwood's most respected performance calipers, featuring a narrow-profile forged body that clears a wide range of aftermarket wheels while maintaining the structural integrity needed for aggressive braking demands. The six-piston design ensures even pad pressure distribution across the rotor face for consistent wear and performance.

Whether you're building a dedicated track car, a high-performance street machine, or a show car that demands both form and function, the Wilwood 140-18243-DR front brake kit delivers the stopping power and visual impact to match your build.