• Wilwood Narrow Superlite 4R Rear Kit | Subaru WRX (99-05) / Impreza (99-07) (140-12878-R)
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Wilwood Narrow Superlite 4R Rear Kit | Subaru WRX (99-05) / Impreza (99-07) (140-12878-R)

Wilwood Narrow Superlite 4R Rear Kit | Subaru WRX (99-05) / Impreza (99-07) (140-12878-R)

140-12878-R

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$2,109.29 USD
$2,479.08 USD $2,109.29 USD
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The Wilwood Narrow Superlite 4R Rear Kit is a high-performance brake upgrade designed for 1999-2005 Subaru WRX and 1999-2007 Impreza models. Featuring forged four-piston calipers, this kit combines BP-10 compound pads with 12.88-inch rotors to deliver enhanced stopping power and fade resistance. Built with lightweight materials and a compact design, the kit ensures improved performance for street and show applications. It maintains full functionality of the OE parking brake, master cylinder output, and ABS where applicable, making it a versatile upgrade for enthusiasts seeking both style and performance. The kit provides a significant upgrade over stock brakes, offering increased clamping force and better heat dissipation for spirited driving.

Designed for high-performance street and show cars, this rear brake kit is compatible with vehicles equipped with 13-inch or larger front brakes, complementing larger wheel and suspension setups. It is a bolt-on installation that retains factory components and functionality, making it suitable for custom applications and upgrades. The kit includes forged calipers, rotors, and pads, providing a complete solution for upgrading rear braking performance. Ideal for street, show, and light track use, this brake kit enhances overall vehicle stopping power while maintaining OEM compatibility with the parking brake and ABS systems.

Overview

Wilwood Narrow Superlite 4R

Fits 1999–2005 Subaru Impreza WRX and 1999–2007 Impreza

Part #: 140-12878-R

Overview

The Wilwood Narrow Superlite 4R rear brake kit is designed for high-performance street and show vehicles, offering exceptional stopping power and a striking appearance. Crafted with forged four-piston calipers and BP-10 compound pads, this kit is ideal for enthusiasts seeking to upgrade their vehicle’s braking system for improved response and durability. The 12.88-inch rotors provide enhanced heat dissipation and consistent performance, making it suitable for spirited driving and demanding conditions. This kit retains full functionality of the OE parking brake, master cylinder output, and ABS where applicable, ensuring seamless integration with your vehicle’s existing systems. Whether you’re customizing a Subaru Impreza or WRX, this brake upgrade delivers both style and performance. It complements larger front brake setups, such as 13-inch and bigger upgrades, especially when combined with wheel, tire, and suspension enhancements. Designed to support your vehicle’s high-performance needs, this kit helps improve braking response, reduce fade, and provide a confident pedal feel during aggressive driving.

Key Features

This brake kit features a robust construction and thoughtful design to maximize performance and reliability:
  • Forged aluminum calipers for strength and lightweight performance
  • BP-10 high-performance brake pads for excellent friction and wear resistance
  • 12.88-inch vented rotors for superior heat management and consistent braking
  • Retains OE parking brake, ABS, and master cylinder compatibility
  • Designed for easy installation with existing mounting points
  • Stylish red calipers enhance vehicle aesthetics

Construction & Design

The calipers are forged from high-strength aluminum, ensuring durability while minimizing weight. The rotors feature a vented design to promote effective heat dissipation, reducing brake fade during intense driving. The overall design emphasizes both performance and visual appeal, making it suitable for show cars and high-performance street builds.

Installation & Fitment

This rear brake kit is engineered for direct bolt-on installation on compatible Subaru Impreza and WRX models from 1999 to 2007. Proper fitment requires no modifications, allowing for a straightforward upgrade process that integrates seamlessly with your vehicle’s existing braking system.

What’s Included

The package includes forged four-piston calipers, 12.88-inch vented rotors, BP-10 compound pads, and all necessary mounting hardware for a complete rear brake upgrade.

Ideal For

Perfect for Subaru enthusiasts looking to enhance their vehicle’s braking performance, whether for daily driving, spirited canyon runs, or show-quality builds. This kit offers a reliable upgrade that balances style, function, and durability for high-performance applications.
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