Supertech Manganese Bronze Exhaust Valve Guide 5.5mm Stem Set of 8 Toyota 86 / Scion FR-S / Subaru BRZ 13-20 | GDE-TFRS55-E-8 vendor_Koyo Cooling The S Style Matte Black

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Supertech Manganese Bronze Exhaust Valve Guide 5.5mm Stem Set of 8 Toyota 86 / Scion FR-S / Subaru BRZ 13-20 | GDE-TFRS55-E-8 vendor_Koyo Cooling The S Style Matte BlackProduct Fitment: 2013 2020 Subaru BRZ 2013 2016 Scion FR S 2017 2020 Toyota 86 Supertech Valve Guides are precision engineered from high strength Manganese Bronze, offering outstanding wear resistance and heat management in high performance Subaru FA20 engines. Designed for both intake and exhaust valves, these guides ensure tight clearances and consistent valve operation, whether you're daily driving or pushing the limits on track. For extreme