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Up to 15% offVendor:GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - SET 8
Only 9 leftRegular price $169.62Sale price $169.62 Regular priceUnit price per$199.55You Save $29.93! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru/Scion BRZ/FR-S FA20 Chrome Polished Exhaust Valve - 30mm Head (+1mm) - Single
Only 5 leftRegular price $33.07Sale price $33.07 Regular priceUnit price per$38.90You Save $5.83! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru/Scion BRZ/FR-S FA20 Chrome Polished Exhaust Valve - 29mm Head (STD) - Single
Only 9 leftRegular price $32.39Sale price $32.39 Regular priceUnit price per$38.10You Save $5.71! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE 21-4N Chrome Polished Intake Valve - 39.50mm head (+1mm) - SET of 12
Only 7 leftRegular price $287.39Sale price $287.39 Regular priceUnit price per$338.10You Save $50.71! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE 21-4N Chrome Polished Intake Valve - 39.50mm head (+1mm) - Single
Only 4 leftRegular price $24.80Sale price $24.80 Regular priceUnit price per$29.18You Save $4.38! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Exhaust Valve 34.50mm Head (+1mm) - Set of 12
Only 5 leftRegular price $276.11Sale price $276.11 Regular priceUnit price per$324.84You Save $48.73! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Exhaust Valve 34.50mm Head (+1mm) - Single
Only 7 leftRegular price $23.83Sale price $23.83 Regular priceUnit price per$28.03You Save $4.20! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Intake Valve 38.50mm Head (STD) - Set of 12
Only 5 leftRegular price $287.39Sale price $287.39 Regular priceUnit price per$338.10You Save $50.71! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Intake Valve 38.50mm Head (STD) - Single
Only 14 leftRegular price $24.80Sale price $24.80 Regular priceUnit price per$29.18You Save $4.38! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE 23-8N Chrome Polished Exhaust Valve - 33.50mm Head (STD) - SET 12
Only 5 leftRegular price $276.11Sale price $276.11 Regular priceUnit price per$324.84You Save $48.73! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Nissan TB48DE 23-8N Chrome Polished Exhaust Valve - 33.50mm Head (STD) - Single
Only 8 leftRegular price $23.83Sale price $23.83 Regular priceUnit price per$28.03You Save $4.20! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Single
Only 7 leftRegular price $21.33Sale price $21.33 Regular priceUnit price per$25.09You Save $3.76! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - Single
Only 7 leftRegular price $21.82Sale price $21.82 Regular priceUnit price per$25.67You Save $3.85! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - Single
Only 5 leftRegular price $21.23Sale price $21.23 Regular priceUnit price per$24.98You Save $3.75! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - Single
Only 5 leftRegular price $21.68Sale price $21.68 Regular priceUnit price per$25.50You Save $3.82!
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.