Wilwood 140-18251-DR Aero6 Front Big Brake Kit for Nissan 240SX 1989-1998 / Skyline

The Wilwood 140-18251-DR is a complete front big brake kit featuring Wilwood's renowned Aero6 six-piston calipers, engineered for drivers demanding maximum braking performance on the street and track. Designed specifically for the Nissan 240SX (1989–1998) and Skyline platform, this kit delivers race-proven stopping power while maintaining full compatibility with the OE master cylinder output and ABS function.

The Aero6 caliper is Wilwood's flagship performance caliper, purpose-built to accommodate large-diameter rotors for high-load, extreme-duty braking applications. Whether you're building a dedicated track car or a high-performance dual-purpose street machine, the Aero6 provides the big brake upgrade your build demands.

Key Features:

• Aero6 six-piston calipers — Wilwood's highest-capacity performance caliper for cars
• Directional staggered-vane rotors (14.00"–14.25" diameter) for maximum airflow and sustained high-heat cooling
• OEM master cylinder compatible — no brake booster or master cylinder upgrade required
• ABS compatible — maintains factory ABS function where equipped
• Vehicle-specific fitment — fully engineered for the Nissan 240SX 1989–1998 and Skyline platform
• Dual-purpose performance — engineered for show cars, street performance, and track use
• High-durability finish — calipers available in a distinctive anodized or painted finish for show-quality appearance

The directional staggered-vane rotor design is a critical component of this kit, promoting aggressive heat evacuation during sustained high-speed braking events. This thermal management capability makes the Wilwood Aero6 front kit an ideal choice for road course racing, autocross, and spirited street driving where brake fade resistance is essential.

This is a front axle kit and includes all hardware necessary for installation on the specified platform. The Wilwood 140-18251-DR designation indicates a directional right-side rotor configuration, ensuring proper vane orientation for optimal cooling performance.