Cusco Ignition Capacitor Wiring Harness

2011–2025 Subaru BRZ / Scion FR-S / Toyota 86 2.0L

Part #: 965 726 H

Overview

The Cusco Ignition Capacitor Wiring Harness is a high-performance upgrade designed to enhance the ignition system of your Subaru BRZ, Scion FR-S, or Toyota 86. Engineered for enthusiasts seeking improved engine response and reliability, this wiring harness supplies stabilized power to the ignition coil, ensuring consistent spark delivery across the entire RPM range. Whether you're a daily driver or a spirited track enthusiast, this harness helps you unlock more responsive acceleration and smoother power delivery.

By reducing electrical resistance and providing a more stable voltage supply, the Cusco Ignition Capacitor Wiring Harness optimizes your vehicle's ignition system. This results in a noticeable increase in torque feel and overall engine efficiency, allowing your vehicle to perform at its best during high-demand driving conditions. Additionally, it supports the integration of aftermarket electronic components by ensuring they receive clean, stable power, reducing the risk of electrical noise or misfires.

Key Features

The Cusco Ignition Capacitor Wiring Harness incorporates advanced design features to improve your vehicle's ignition performance:

• High-quality internal wiring with durable insulation to withstand high temperatures and vibrations in the engine bay.
• Optimized internal capacitor design that supplies stabilized voltage to the ignition coil, enhancing spark consistency.
• Reduces resistance to the battery, making it ideal for vehicles equipped with aftermarket electronic upgrades such as ECU tuners, boost controllers, or additional lighting systems.
• Designed specifically for Subaru BRZ, Scion FR-S, and Toyota 86 models from 2011 to 2025 with 2.0L engines.
• Easy plug-and-play installation with no modifications required, ensuring a straightforward upgrade process.
• Constructed with precision to maintain durability and reliable performance over time.
• Maximizes ignition efficiency, leading to improved throttle response and power output.
• Helps support increased torque and engine responsiveness, especially at low to high RPMs.

Construction & Design

The Cusco Ignition Capacitor Wiring Harness features a robust construction utilizing high-grade wiring and connectors designed for longevity and reliability. The internal capacitor is engineered to deliver a steady voltage supply, minimizing fluctuations that can cause misfires or inconsistent engine performance. The wiring harness is designed with a focus on heat resistance and vibration durability, ensuring consistent operation under demanding driving conditions. Its compact, plug-and-play design allows for seamless integration with the factory wiring, maintaining a clean and professional appearance in your engine bay.

Installation & Fitment

The Cusco Ignition Capacitor Wiring Harness is designed for a straightforward, bolt-on installation. It connects directly to the factory ignition coil wiring, requiring no cutting, splicing, or complex modifications. The harness is compatible with Subaru BRZ, Scion FR-S, and Toyota 86 models from 2011 through 2025 equipped with 2.0L engines. No special tools or tuning are necessary, making it an ideal upgrade for DIY enthusiasts and professional installers alike. Proper installation ensures optimal performance and electrical stability.

• Plug-and-play installation with factory connectors
• No cutting, drilling, or tuning required
• Compatible with 2011–2025 Subaru BRZ, Scion FR-S, and Toyota 86 2.0L models

What's Included

• Cusco Ignition Capacitor Wiring Harness
• Installation instructions

Ideal For

• Performance enthusiasts seeking improved engine response
• Owners of Subaru BRZ, Scion FR-S, or Toyota 86 looking to enhance ignition stability
• Drivers with aftermarket electronic components requiring stable power supply
• Anyone aiming for more consistent spark delivery and smoother engine operation