GSC Power Division Stopper Exhaust Valve Guide
2013–2020 Subaru BRZ / 2017–2020 Toyota 86 / 2013–2016 Scion FR-S
3105-8
Overview:
The GSC Power Division Stopper Exhaust Valve Guide is a precision-engineered replacement part designed specifically for the Subaru FA20 engine platform found in the Subaru BRZ, Toyota 86, and Scion FR-S models within their respective year ranges. This set of eight guides ensures proper alignment and secure operation of the exhaust valves, helping maintain optimal engine performance and reliability.
Ideal for enthusiasts and mechanics performing maintenance or upgrades on their FA20-powered vehicles, these valve guides support consistent valve movement and help prevent premature wear. Whether you are restoring your engine to factory specifications or enhancing its durability for spirited driving, these guides provide a dependable solution.
Key Features:
These stopper exhaust valve guides offer several important benefits and technical advantages:
- Precision manufacturing tailored to the Subaru FA20 engine architecture for perfect fitment.
- Durable construction designed to withstand high temperatures and continuous valve operation.
- Maintains proper valve alignment to reduce valve stem wear and improve sealing.
- Supports consistent exhaust valve movement, contributing to engine efficiency and longevity.
- Direct replacement for factory valve guides, ensuring compatibility without modification.
- Sold as a complete set of eight guides, covering all exhaust valves in the engine.
- Ideal for OEM rebuilds, performance upgrades, or routine maintenance on Subaru BRZ, Toyota 86, and Scion FR-S models.
Construction & Design:
GSC Power Division manufactures these stopper exhaust valve guides with high-quality materials engineered to endure the demanding conditions inside the cylinder head. Their design focuses on precise dimensions and tight tolerances to guarantee a secure fit around the valve stems, minimizing lateral movement and wear.
The guides are crafted to maintain consistent valve positioning during engine operation, which helps preserve valve seat integrity and overall combustion chamber sealing. This attention to detail supports reliable engine performance and reduces the risk of valve-related failures over time.
Installation & Fitment:
This set of eight stopper exhaust valve guides is designed as a direct fit replacement for the following vehicles:
- Subaru BRZ (2013–2020)
- Toyota 86 (2017–2020)
- Scion FR-S (2013–2016)
Installation requires standard engine disassembly procedures and is typically performed during cylinder head servicing or rebuilds. These guides fit precisely into the factory valve guide bores, ensuring straightforward installation without the need for machining or modification.
What's Included:
- Set of 8 stopper exhaust valve guides specifically for the Subaru FA20 engine.
Ideal For:
- Engine rebuilders and mechanics servicing Subaru BRZ, Toyota 86, and Scion FR-S FA20 engines.
- Performance enthusiasts seeking durable, OEM-quality valve guides for their naturally aspirated or modified engines.
- Owners performing routine maintenance or restoring valve train components to factory specifications.
