Wilwood 140-18152-R FNSL4R Rear Electronic Parking Brake Big Brake Kit 12.88" Big Ford New Style 2.50" Offset 6-Lug Red

The Wilwood 140-18152-R is a Forged Narrow Superlite 4R (FNSL4R) Rear Electronic Parking Brake Big Brake Kit engineered for Big Ford axle housings with a new-style 2.50" offset and 6-lug configuration. Featuring a 12.88" two-piece rotor and red powder-coated calipers, this kit delivers a complete, high-performance rear braking upgrade for custom builds, show cars, and high-performance street machines.

The Electronic Parking Brake (EPB) design replaces traditional mechanical cable systems with a self-contained electronic actuator that delivers high static holding torque for secure parking. The included control unit and wiring harness assembly streamline installation and eliminate the need for a conventional parking brake cable run.

Key Features:

• FNSL4R 4-piston forged calipers in red powder-coat finish for enhanced corrosion protection and custom appearance
• 12.88" two-piece rotor designed for Big Ford new-style axle with 2.50" offset, 6-lug pattern
• High-performance BP-10 compound brake pads for optimized, balanced braking force
• Electronic Parking Brake actuator — no mechanical parking brake cable required
• Includes control unit and harness assembly for simplified wiring and activation
• Designed to complement Wilwood front big brake upgrades for a balanced, matched braking system
• Compatible with custom, show car, and high-performance street applications

The Wilwood 140-18152-R is part of Wilwood's comprehensive FNSL4R EPB brake kit lineup, offering builders the ability to personalize caliper finish and rotor style to match any build theme while achieving serious braking performance gains over factory drum or undersized disc setups.