Wilwood Dynalite Big Brake 4 Piston Front Brake Kit - GM G-Body 1980-87

Part #: 140-12297-D

Overview

The Wilwood Dynalite Big Brake Front Kit is a high-performance braking solution designed for classic GM G-Body vehicles from 1980 to 1987. This kit features forged billet Dynalite calipers paired with large 12.19" diameter rotors, delivering exceptional stopping power for street, strip, and show applications. It is ideal for enthusiasts seeking to upgrade their vehicle's braking system to support larger wheels, tires, and suspension modifications, ensuring reliable and confident braking performance under demanding conditions. Whether restoring a vintage muscle car or enhancing a custom build, this kit provides a significant improvement in braking response and durability.

Key Features

This big brake kit combines advanced materials and thoughtful design to maximize performance and longevity. Key features include:

• Forged billet Dynalite calipers for strength and lightweight performance
• 12.19" diameter vented rotors for improved heat dissipation and fade resistance
• High-performance Wilwood brake pads optimized for street and strip use
• Compatible with non-ABS spindles on GM G-Body vehicles
• Multiple finish options for calipers and rotors to customize appearance
• Designed for easy installation with existing suspension components
• Supports larger wheel and tire setups for enhanced handling and aesthetics

Construction & Design

The kit features precision-machined billet aluminum calipers that are forged for maximum strength and reduced weight. The rotors are constructed from high-quality cast iron with vented designs to promote efficient cooling during aggressive braking. The combination of durable materials and meticulous engineering ensures consistent performance and long-term reliability, even under high-stress conditions.

Driving Feel & Feedback

This brake kit enhances your vehicle’s braking response, providing a more immediate and confident pedal feel. The larger rotors and high-performance pads work together to reduce stopping distances and improve modulation, giving you better control during spirited driving or emergency stops. The design also helps minimize brake fade, maintaining consistent performance over extended use.

Installation & Fitment

Installation is straightforward for those familiar with brake upgrades, with all necessary hardware included. The kit is designed to bolt directly onto existing non-ABS spindles on GM G-Body models from 1980 to 1987, ensuring a secure fit and reliable operation. Proper fitment verification is recommended before installation to ensure compatibility with your specific vehicle configuration.

What’s Included

The package includes four forged billet Dynalite calipers, two large vented rotors, high-performance brake pads, mounting hardware, and detailed installation instructions. Additional components or hardware are not typically required, making this a comprehensive upgrade kit for your vehicle’s front braking system.