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Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - Single
Regular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford EcoBoost 3.5L 6 Cyl Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single
Only 1 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford EcoBoost 3.5L 6 Cyl Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - Single
Regular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford EcoBoost 2.3L 4 Cyl Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single
Only 16 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford EcoBoost 2.3L 4 Cyl Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Only 8 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D EcoBoost 2.3 4Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 8
Only 12 leftRegular price $49.65Sale price $49.65 Regular priceUnit price per$58.41You Save $8.76! -
Up to 15% offVendor:GSC Power DivisionGSC P-D EcoBoost 2.3 4Cyl Manganese Bronze Intake OR Exhaust Valve Guide - Single
Only 1 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Only 8 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Only 8 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Intake Valve Guide - Single
Regular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Only 8 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Only 16 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Hyundai G4KF Theta Manganese Bronze Exhaust Valve Guide - Single
Only 8 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Mitsubishi 4B11T (.003+) Intake Valve Guide Stopper Style (Single)
Only 16 leftRegular price $6.45Sale price $6.45 Regular priceUnit price per$7.59You Save $1.14!
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.