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Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (10500RPM/55PSI Max)
Only 6 leftRegular price $794.75Sale price $794.75 Regular priceUnit price per$935.00You Save $140.25! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (9500RPM/40PSI Max)
Only 5 leftRegular price $794.75Sale price $794.75 Regular priceUnit price per$935.00You Save $140.25! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ Series Conical Valve Spring and Ti Retainer Kit
Only 4 leftRegular price $517.85Sale price $517.85 Regular priceUnit price per$609.24You Save $91.39! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan RB26DETT/RB26 Conical Valve Spring Kit
Only 6 leftRegular price $824.80Sale price $824.80 Regular priceUnit price per$970.35You Save $145.55! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ Series Dual Conical Valve Spring Kit
Only 6 leftRegular price $640.25Sale price $640.25 Regular priceUnit price per$753.24You Save $112.99! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit
Only 3 leftRegular price $517.85Sale price $517.85 Regular priceUnit price per$609.24You Save $91.39! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3SGTE High Pressure Conical Valve Spring Kit w/Ti Retainer for Shimless/Shim-Over
Only 3 leftRegular price $470.77Sale price $470.77 Regular priceUnit price per$553.85You Save $83.08! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR38DETT High Pressure Conical Valve Spring Kit w/ Titanium Retainer
Only 8 leftRegular price $843.84Sale price $843.84 Regular priceUnit price per$992.75You Save $148.91! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR38DETT Conical Valve Spring Kit w/ TVS1903 Conical Spring
Only 11 leftRegular price $843.84Sale price $843.84 Regular priceUnit price per$992.75You Save $148.91! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3SGTE Conical Valve Spring and Ti Retainer Kit (Use w/ Shim Over/Shimless Bucket)
Only 6 leftRegular price $470.77Sale price $470.77 Regular priceUnit price per$553.85You Save $83.08! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 2JZ-GTE Single Conical Valve Spring and Ti Retainer Kit
Only 5 leftRegular price $706.16Sale price $706.16 Regular priceUnit price per$830.78You Save $124.62! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 2JZ Conical Valve Spring and Ti Retainer Kit
Only 8 leftRegular price $706.16Sale price $706.16 Regular priceUnit price per$830.78You Save $124.62! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Mitsubishi 4B11T High Pressure Single Conical Valve Spring and Ti Retainer Kit
Only 11 leftRegular price $494.32Sale price $494.32 Regular priceUnit price per$581.55You Save $87.23! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Single Beehive Spring Kit Titanium Retainers/Chromoly Seats 13-15 Scion FR-S / BRZ FA20
Only 9 leftRegular price $447.72Sale price $447.72 Regular priceUnit price per$526.73You Save $79.01! -
Up to 15% offVendor:GSC Power DivisionGSC P-D VQ35DE (Turbo High Rev) Beehive Valve Spring and Titanium Retainer Kit
Only 1 leftRegular price $597.57Sale price $597.57 Regular priceUnit price per$703.02You Save $105.45!
Why Buy from FAST of West Chester?
This isn’t a warehouse — it’s a performance shop. At FAST of West Chester, every part we sell has been installed, tested, and pushed on real builds.
Led by Dave Brown, our team knows what works, what doesn’t, and what actually delivers results. No guesswork. No wasted money. Just proven performance.
Unlike large online retailers, our recommendations are based on hands-on experience with Subaru, JDM, and performance platforms — ensuring every part we offer delivers reliable performance, fitment, and results.