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

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

140-12878

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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 Impreza WRX and 1999-2007 Impreza models. This kit features forged four-piston calipers paired with BP-10 compound pads and 12.88-inch rotors, delivering enhanced stopping power and fade resistance suitable for street and show applications. Constructed with durable materials, these calipers provide a combination of strength and lightweight performance, making them ideal for enthusiasts seeking improved braking performance without sacrificing style. The kit maintains full functionality of the OE parking brake, master cylinder output, and ABS systems where applicable, ensuring seamless integration with your vehicle’s existing systems.

This brake kit is specifically designed for fitment on Subaru Impreza models from 1999 to 2005, with compatibility for vehicles equipped with 12.88-inch rear rotors. It serves as a direct replacement and performance upgrade for the factory brakes, suitable for high-performance street driving and show cars. The kit includes the forged calipers, rotors, and pads necessary for installation, with optional caliper color choices available. Ideal for vehicles with wheel, tire, and suspension upgrades, this rear brake kit complements larger front brake setups such as 13-inch and larger upgrades, providing balanced braking performance for spirited driving and show purposes.

Overview

Wilwood Narrow Superlite 4R

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

Part #: 140-12878

Overview

The Wilwood Narrow Superlite 4R Rear Kit is a high-performance brake upgrade designed for enthusiasts seeking improved stopping power and a striking appearance for their Subaru Impreza or WRX. Crafted with forged four-piston calipers, this kit combines durability, precision, and style, making it ideal for street and show vehicles that demand both form and function. The kit includes 12.88-inch rotors and BP-10 compound pads, providing reliable heat management and consistent braking response during spirited driving or extended use. Its compatibility with OE parking brake, master cylinder output, and ABS systems ensures a seamless upgrade without sacrificing factory features. This rear brake kit is perfect for drivers who want to enhance their vehicle’s braking performance while maintaining OEM functionality. Whether you're upgrading for better response, improved fade resistance, or a more aggressive look, this kit offers a comprehensive solution tailored for high-performance street applications and show cars alike.

Key Features

This Wilwood brake kit features advanced engineering and high-quality materials to deliver reliable performance and aesthetic appeal. Key features include:
  • Forged aluminum calipers for strength and lightweight design
  • Four-piston configuration for balanced clamping force and even pad wear
  • 12.88-inch vented rotors for superior heat dissipation and fade resistance
  • BP-10 high-performance brake pads for consistent stopping power
  • Retains OE parking brake, ABS, and master cylinder compatibility
  • Designed for easy installation with minimal modifications
  • Complementary to larger front brake upgrades for balanced braking performance

Construction & Design

The calipers are forged from high-strength aluminum, ensuring durability while keeping weight to a minimum. The ventilated rotors feature a precision-machined surface for optimal contact and heat dissipation, enhancing overall braking efficiency. The kit’s design emphasizes compatibility with factory components, simplifying installation and maintaining vehicle integrity.

Driving Feel & Feedback

This brake upgrade provides a more responsive pedal feel and improved modulation, giving you greater confidence during aggressive driving or emergency stops. The combination of caliper design and high-performance pads ensures consistent braking performance across a range of conditions, reducing fade and maintaining control.

Installation & Fitment

Designed for direct bolt-on installation on 1999–2005 Subaru Impreza WRX and 1999–2007 Impreza models, this kit requires no major modifications. Proper wheel clearance should be verified to accommodate the larger rotors.

What’s Included

The package includes four-piston calipers, 12.88-inch rotors, BP-10 pads, mounting hardware, and installation instructions, providing everything needed for a comprehensive upgrade.
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