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Up to 15% offVendor:GSC Power DivisionGSC P-D SR20 Single Spring w/ Titanium Retainer Valvetrain Kit
Only 4 leftRegular price $399.92Sale price $399.92 Regular priceUnit price per$470.49You Save $70.57! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Honda B-Series Vtec Dual Spring Set and Titanium Retainer
Regular price $399.92Sale price $399.92 Regular priceUnit price per$470.49You Save $70.57! -
Up to 15% offVendor:GSC Power DivisionGSC P-D K-series Vtec K20/K24 Beehive Valve Spring and Titanium Retainer Kit Higher REV
Only 11 leftRegular price $399.92Sale price $399.92 Regular priceUnit price per$470.49You Save $70.57! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 2JZ Beehive Valve Springs & Ti Retainer Kit (Check Fitment of Spring Base)
Only 10 leftRegular price $597.57Sale price $597.57 Regular priceUnit price per$703.02You Save $105.45! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ257 Beehive Valve Spring & Ti Retainer Kit (Use w/OE Spring Seats)
Regular price $399.92Sale price $399.92 Regular priceUnit price per$470.49You Save $70.57! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)
Only 3 leftRegular price $824.80Sale price $824.80 Regular priceUnit price per$970.35You Save $145.55! -
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 / Lamborghini Huracan V10 5.2L Valve Spring & Ti Retainer Kit (w/Seats & Seals)
Only 10 leftRegular price $1,800.00Sale price $1,800.00 Regular priceUnit price per -
Up to 15% offVendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F High Pressure Conical Valve Spring and Ti Retainer Kit
Only 2 leftRegular price $496.40Sale price $496.40 Regular priceUnit price per$584.00You Save $87.60! -
Up to 15% offVendor:GSC Power DivisionGSC P-D BMW S58 Beehive Valve Spring & Ti Retainer Kit (Max Boost 70PSI)
Regular price $595.00Sale price $595.00 Regular priceUnit price per$700.00You Save $105.00! -
Up to 15% offVendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F Conical Valve Spring and Ti Retainer Kit
Only 9 leftRegular price $496.40Sale price $496.40 Regular priceUnit price per$584.00You Save $87.60! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota G16E Conical Valve Spring and Ti Retainer Kit
Regular price $439.45Sale price $439.45 Regular priceUnit price per$517.00You Save $77.55! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford 5.2L Voodoo/Predator Conical Spring & Ti Retainer Kit
Only 13 leftRegular price $782.00Sale price $782.00 Regular priceUnit price per$920.00You Save $138.00! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit
Only 11 leftRegular price $782.00Sale price $782.00 Regular priceUnit price per$920.00You Save $138.00! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 1/2 High Pressure Conical Valve Spring & Ti Retainer Kit
Only 10 leftRegular price $815.15Sale price $815.15 Regular priceUnit price per$959.00You Save $143.85! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 1/2 Conical Valve Spring and Titanium Retainer Kit
Only 11 leftRegular price $765.00Sale price $765.00 Regular priceUnit price per$900.00You Save $135.00!
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.