Koyo 8mm Coolant Reservoir Adapter (For Part# VH091662) Subaru STI 2008-2021 | PI-2182 GS300_2006-2011 settling for anything less than

settling for anything less than the best is not an option

Part #: TS-SS-006

and sealing reliability under demanding conditions

If you’re preparing a FA20 engine for performance use — whether high-revving naturally aspirated or boosted — the stock intake valves can become a limiting factor

Koyo 8mm Coolant Reservoir Adapter (For Part# VH091662) Subaru STI 2008-2021 | PI-2182 GS300_2006-2011 settling for anything less thanProduct Fitment: 2008 2021 Subaru STI The Koyo PI 2182 adapter is a precision engineered 8 mm coolant reservoir fitting designed to work with the Koyo Radiator part VH091662. When the original adapter becomes lost, damaged or corroded, the PI 2182 offers an exact replacement to restore proper coolant system function and plug integrity. Key Features: 8 mm size specifically suited for reservoir fitting interface on compatible systems Compatibility with