Supertech Exhaust Valve Guide

2017–2020 Toyota 86 / 2013–2020 Subaru BRZ / 2013–2016 Scion FR-S FA20D Engine

GDE-TFRS55-E

Overview:

The Supertech Exhaust Valve Guide is a precision-engineered replacement part designed specifically for the FA20D engine found in the Toyota 86 (2017–2020), Subaru BRZ (2013–2020), and Scion FR-S (2013–2016). Crafted from durable manganese bronze, this valve guide features a 5.5mm stem size to ensure optimal fit and function within the exhaust valve train.

This component is ideal for enthusiasts and mechanics seeking to maintain or improve the reliability and performance of their vehicle’s cylinder head. Whether you are performing an engine rebuild, addressing wear, or upgrading for enhanced durability, the Supertech Exhaust Valve Guide offers a high-quality solution engineered to meet OEM specifications.

By installing this valve guide, you’ll help ensure precise valve movement and sealing, which supports efficient exhaust flow and contributes to consistent engine performance over time.

Key Features:

The Supertech Exhaust Valve Guide is designed with quality and performance in mind. Key features include:

• Material: Made from manganese bronze, known for excellent wear resistance and thermal conductivity, enhancing durability under high-temperature exhaust conditions.
• Stem Size: Precisely sized at 5.5mm to match the FA20D engine’s exhaust valve stem for accurate fitment and smooth valve operation.
• OEM Compatibility: Engineered to meet or exceed factory specifications, ensuring reliable performance and ease of installation.
• Improved Durability: Manganese bronze construction helps reduce valve guide wear, extending engine life and maintaining valve alignment.
• Fitment Specific: Designed exclusively for Toyota 86 (2017–2020), Subaru BRZ (2013–2020), and Scion FR-S (2013–2016) equipped with the FA20D engine.
• Precision Manufacturing: Manufactured with tight tolerances to ensure consistent valve guide clearance and optimal valve stem support.

Construction & Design:

The valve guide is constructed from manganese bronze, a material chosen for its superior resistance to wear and heat compared to traditional cast iron guides. This alloy provides excellent thermal conductivity, helping to dissipate heat from the valve stem area and reduce the risk of premature valve or guide failure.

Its 5.5mm stem bore is machined to exacting standards, ensuring a precise fit with the exhaust valve stem. This precision fit is critical for maintaining proper valve seating and minimizing valve stem vibration, which can lead to valve train noise and accelerated wear.

Supertech’s manufacturing process emphasizes quality control and consistency, resulting in a valve guide that supports reliable engine operation even under demanding conditions.

Installation & Fitment:

This exhaust valve guide is a direct replacement part designed to fit the FA20D engine in the specified Toyota 86, Subaru BRZ, and Scion FR-S model years. It installs using standard procedures for valve guide replacement during cylinder head servicing or engine rebuilds.

Professional installation is recommended to ensure proper fitment and valve clearance. No modifications to the cylinder head or valve components are required when using this guide, maintaining factory specifications and performance.

• Direct fit for FA20D engine exhaust valves
• No special machining or modification needed beyond standard valve guide replacement procedures
• Compatible with OEM valve stems and seals

What’s Included

• One manganese bronze exhaust valve guide with 5.5mm stem bore

Ideal For:

This valve guide is perfect for:

• Engine rebuilders and mechanics servicing the FA20D cylinder head
• Performance enthusiasts maintaining or upgrading their Toyota 86, Subaru BRZ, or Scion FR-S
• Anyone seeking a durable, OEM-quality replacement for worn or damaged exhaust valve guides
• Owners focused on preserving engine reliability and valve train precision

Supertech is a manufacturer of high-performance automotive components, including engine valves, pistons, and valve springs, designed for racing applications. Their products are engineered to enhance engine performance and durability, catering to enthusiasts building street, drift, and track vehicles.