


GSC Subaru FA20 WRX/BRZ/FRS Dual Cylindrical Valve Spring Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
GSC Subaru FA20 WRX/BRZ/FRS Dual Cylindrical Valve Spring KitSKU: 5256 GSC Subaru FA20 WRX BRZ FRS 86 Dual Cylindrical Valve Spring Kit 2013 2022 GSC Power Division Dual Cylindrical Valve Spring Kit delivers precise valvetrain control for Subaru FA20 engines in WRX 2015 2021 BRZ 2013 2021 Scion FRS 2013 2016 and Toyota 86 GR86 2017 2022. These springs maintain stability at 10000+ RPM to eliminate valve float during high boost and aggressive driving. Paired with lightweight titanium retainers this kit supports
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Reviewed in the United States on April 30, 2026
★★★★★ 3
You get what you pay for.
I have 4 pairs of these pants. Originally, I gave them a five star review because the fit was perfect, they are comfortable, and looked nice. I have worn them several times and they seemed to be well made.
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Reviewed in the United States on March 31, 2020
★★★★★ 5
Good quality
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Reviewed in the United States on May 20, 2026
★★★★★ 5
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