Wilwood Forged Narrow Superlite 4R Big Brake Rear Kit

Universal Fitment

Part #: 140-10093-DR

Overview

The Wilwood Forged Narrow Superlite 4R Rear Kit is a high-performance braking solution designed for muscle cars and custom street machines that require a reliable rear disc brake upgrade with parking brake capability. Crafted with precision, this kit combines forged four-piston calipers, two-piece rotors available in 13" or 14" diameters, and high-performance BP-10 compound pads to deliver balanced, responsive braking performance. It is ideal for enthusiasts seeking improved stopping power, durability, and a clean installation that complements front big brake upgrades. Whether you are building a show car or a high-performance street machine, this kit helps enhance your vehicle’s braking response and overall safety.

Key Features

This rear brake kit features a meticulously engineered design aimed at providing superior braking performance and ease of installation. Key features include:

• Forged aluminum calipers for strength and lightweight performance
• Two-piece rotors with high-quality materials for heat dissipation and durability
• Internal shoe system for a clean look and superior static holding power
• High-performance BP-10 compound pads for consistent stopping power
• Designed to fit popular muscle car rear axles with parking brake requirements
• Neatly hidden internal shoe system for a clean, OEM-like appearance
• Optimized for balanced braking with front big brake upgrades

Construction & Design

The Wilwood Superlite 4R rear kit features forged aluminum calipers that combine strength with reduced weight, enhancing overall vehicle handling and responsiveness. The two-piece rotors are engineered for maximum heat dissipation, ensuring consistent performance under demanding conditions. The internal shoe system is designed to be discreet, providing a clean installation that maintains the vehicle’s aesthetic appeal while delivering reliable static holding power.

Driving Feel & Feedback

This brake kit offers a firm pedal feel and predictable response, allowing for confident modulation during high-performance driving or daily use. The combination of high-quality pads and rotors ensures minimal fade and consistent braking performance, supporting driver confidence and safety.

Installation & Fitment

Installation requires standard mechanical skills and appropriate tools for brake system upgrades. Fitment should be verified against your vehicle’s specifications and the part number provided to ensure compatibility with your GM C10 or C15 rear axle from 1975 to 1986.

What’s Included

The package includes forged calipers, two-piece rotors in the selected size, BP-10 pads, and all necessary mounting hardware for a complete rear brake upgrade.