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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 Subaru/Scion BRZ/FR-S FA20 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - Single
Only 14 leftRegular price $21.87Sale price $21.87 Regular priceUnit price per$25.73You Save $3.86! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR38DETT Chrome Polished Super Alloy Exhaust Valve - 33.15mm Head (+1mm) - Single
Only 14 leftRegular price $37.86Sale price $37.86 Regular priceUnit price per$44.54You Save $6.68! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan VR38DETT 21-4N Chrome Polished Intake Valve - 38.15mm Head (+1mm) - Single
Regular price $26.22Sale price $26.22 Regular priceUnit price per$30.85You Save $4.63! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Honda K Series VTEC K20/K24 Chrome Polished Exhaust Valve - 31mm Head (+1mm) - Single
Only 7 leftRegular price $16.54Sale price $16.54 Regular priceUnit price per$19.46You Save $2.92! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Honda B-Series VTEC B16A/B17A/B18C Chrome Polished Intake Valve - 34mm Head (+1mm) - Single
Only 2 leftRegular price $16.69Sale price $16.69 Regular priceUnit price per$19.64You Save $2.95! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Honda B Series VTEC B16A/B17A/B18C Chrome Polished Exhaust Valve - 29mm Head (+1mm) - Single
Only 7 leftRegular price $16.54Sale price $16.54 Regular priceUnit price per$19.46You Save $2.92! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - Single
Only 10 leftRegular price $22.55Sale price $22.55 Regular priceUnit price per$26.53You Save $3.98! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Mitsubishi 4B11T 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - Single
Only 7 leftRegular price $20.99Sale price $20.99 Regular priceUnit price per$24.69You Save $3.70! -
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!
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.