Wilwood Forged Narrow Superlite 4R

Fitment: GM SUV/Truck 63-87

Part #: 140-15302-DR

Overview

The Wilwood Forged Narrow Superlite 4R Front Brake System is a high-performance braking upgrade designed specifically for classic Chevrolet and GM trucks from 1963 to 1987. This kit features a forged four-piston caliper paired with a 12.19-inch big rotor, delivering exceptional stopping power and fade resistance. Built for enthusiasts seeking improved safety, reliability, and a bold aesthetic, this brake system enhances your vehicle’s braking response while maintaining compatibility with OE master cylinders and ABS functions where applicable. Whether restoring a vintage truck or upgrading for more confident driving, this system provides a significant upgrade in braking capacity without sacrificing factory-like fitment and function.

Key Features

This brake kit combines advanced materials and thoughtful design to optimize performance and durability. Key features include:

• Forged aluminum calipers for strength and reduced weight
• 12.19" vented, slotted rotors for superior heat dissipation and consistent braking
• Application-specific engineering for straightforward installation
• Compatibility with OE master cylinders and ABS systems
• Modular drop spindles for precise fitment and alignment
• Corrosion-resistant coatings to withstand harsh conditions
• Designed to improve braking response and pedal feel

Construction & Design

The Wilwood Forged Narrow Superlite 4R system features high-quality forged aluminum calipers that provide a balance of strength and lightweight performance. The rotors are precision-machined from durable castings, with slotted surfaces to help reduce brake fade and improve pad life. The modular drop spindles are engineered for easy installation and optimal alignment, ensuring a perfect fit on classic GM trucks. The entire assembly is finished with corrosion-resistant coatings, making it suitable for daily driving and off-road use.

Driving Feel & Feedback

This brake system enhances your vehicle’s stopping power with a firm pedal feel and consistent response. The larger rotors and multi-piston calipers work together to provide improved modulation and reduced brake fade during demanding driving conditions. Drivers will notice increased confidence and control, especially during high-speed stops or heavy loads.

Installation & Fitment

Designed for direct bolt-on installation, this kit is compatible with existing OE master cylinders and ABS systems, simplifying the upgrade process. Proper fitment should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The package includes all necessary calipers, rotors, mounting hardware, and brackets required for installation, ensuring a complete upgrade for your GM truck or SUV.