GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal Set

GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal Set

Marsoni

M251S

$20.48

Get it in 3 business days with 1 day shipping. Friday, May 29

GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal SetSKU: 1023 GSC P D Subaru FA20 Viton 5. 5mm Valve Stem Seal Set 2013 2021 BRZ STI FR S 86 GSC Power Division Viton valve stem seals fit Subaru FA20 engines in BRZ STI FR S and 86 models providing exact 5. 5mm stem sealing to control oil flow. These seals prevent oil from entering the combustion chamber supporting consistent power and reduced smoke during high rev operation. Ideal for rebuilds or upgrades in performance Subaru FA20 applications. Key

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Does not have a proper fit on a 2024 Lexus TX 350 without some minor modification. The filter casing has a guide that it's supposed fall into one of the pleats like a notch, however, notice this filter has the white strips which I guess are added structural support. I simply cut the 2 strips on the pleat the guide falls into. The filter will not fall apart by doing this. It's a minor inconvenience that can be easily corrected yourself or simply find another filter that does not have anything blocking the pleats the entire width of the filter.

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Reviewed in the United States on January 26, 2026