GSC Power-Division Beehive Spring Kit

2013–2021 Subaru BRZ / 2013–2016 Scion FR-S / 2017–2021 Toyota 86 2.0L FA20

Part #: 5056

Overview

The GSC Power-Division Beehive Spring Kit is a high-performance upgrade designed specifically for the FA20 engine platform found in Subaru BRZ, Scion FR-S, and Toyota 86 models. Engineered for enthusiasts seeking to push their vehicles to higher boost levels and RPM ranges, this spring kit offers exceptional strength and lightweight construction to support aggressive tuning and high horsepower applications.

Whether you're building a high-boost turbocharged setup or aiming for maximum reliability at elevated RPMs, this spring kit ensures your valvetrain remains stable under demanding conditions. Its lightweight design reduces reciprocating mass, contributing to improved throttle response and overall engine efficiency. Perfect for street, spirited driving, and track use, the GSC Beehive Spring Kit helps you unlock your engine's full potential while maintaining durability and precision.

Key Features

The GSC Power-Division Beehive Spring Kit incorporates advanced materials and engineering to deliver superior performance and reliability. Key features include:

• Lightweight titanium retainers combined with high-strength steel springs to reduce overall valvetrain mass, enabling higher RPM operation and quicker valve response.
• Capable of handling up to 35 PSI of boost at 9,500 RPM, making it ideal for high-boost turbo builds and aggressive tuning scenarios.
• Spring rates of 88 lbs. at seat and 211 lbs. at .400" lift, providing excellent control and stability for high-lift cam profiles and increased valve lift applications.
• Designed specifically for the FA20 engine, ensuring perfect fitment and seamless integration with OEM components.
• Manufactured with precision to meet or exceed OEM standards for durability and performance under extreme conditions.
• Optimized for high RPM reliability, supporting increased power output without sacrificing longevity or drivability.
• Includes (16) valve springs and (16) titanium retainers, providing a complete upgrade for all intake and exhaust valves.
• Suitable for high-performance street, track, and racing applications where maximum valvetrain stability is critical.

Construction & Design

The GSC Beehive Spring Kit features a meticulously engineered design utilizing lightweight titanium retainers paired with high-quality steel springs. The beehive-shaped spring design reduces valvetrain harmonics and enhances stability at high RPMs. The springs are precisely wound and tested to ensure consistent tension and durability, even under extreme boost and RPM conditions.

Manufactured with advanced TIG welding and CNC machining, the components exhibit excellent fitment and longevity. The lightweight construction not only improves engine response but also reduces the load on the valvetrain components, decreasing wear and increasing reliability during high-performance operation.

Installation & Fitment

The GSC Power-Division Beehive Spring Kit is a direct bolt-on upgrade for the FA20 engine found in Subaru BRZ, Scion FR-S, and Toyota 86 models from 2013 to 2021. Installation requires basic engine disassembly skills, including removing the cylinder head to replace the existing valve springs. No special tuning or modifications are necessary for installation, but proper valve clearance checks are recommended after installation to ensure optimal performance.

• Designed for high-performance applications with high lift camshafts and forced induction setups.
• Requires standard tools for valve spring removal and installation.
• Recommended for use with upgraded camshafts and tuning for maximum benefit.

Proper installation ensures reliable operation and maximum performance gains. It is advisable to have a professional mechanic perform the installation if you are unfamiliar with valvetrain work.

What's Included

• (16) Valve springs
• (16) Titanium retainers

Ideal For

• High-boost turbocharged Subaru BRZ, Scion FR-S, and Toyota 86 owners
• Enthusiasts seeking to increase RPM limits and power output
• Track racers and performance tuners aiming for maximum valvetrain stability
• Builds with aggressive cam profiles and high-lift valve setups