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Up to 15% offVendor:GSC Power DivisionGSC P-D 2008+ Subaru STi (EJ257 w/Dual AVCS) S2 Cams 272/272 Billet
Regular price $1,058.68Sale price $1,058.68 Regular priceUnit price per$1,245.50You Save $186.82! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ257 w/Dual AVCS S1 Cams 266/264 Billet
Regular price $1,058.68Sale price $1,058.68 Regular priceUnit price per$1,245.50You Save $186.82! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ Turbo DOHC Valve Spring & Ti Retainer Kit
Regular price $282.46Sale price $282.46 Regular priceUnit price per$332.31You Save $49.85! -
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 EJ Series EJ205/EJ207/EJ264 Manganese Bronze Intake Valve Guide Traditional - Set 8
Only 9 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 EJ Series EJ205/EJ207/EJ262 Manganese Bronze Exhaust Valve Guide Traditional - Set 8
Only 9 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 EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8
Regular price $49.65Sale price $49.65 Regular priceUnit price per$58.41You Save $8.76! -
Up to 15% offVendor:GSC Power DivisionGSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8
Regular price $49.65Sale price $49.65 Regular priceUnit price per$58.41You Save $8.76! -
Up to 15% offVendor:GSC Power DivisionGSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-32mm Head(STD)
Only 18 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 Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single
Only 17 leftRegular price $21.52Sale price $21.52 Regular priceUnit price per$25.32You Save $3.80! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 33mm Head (+1mm) - Single
Only 10 leftRegular price $21.57Sale price $21.57 Regular priceUnit price per$25.38You Save $3.81! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Single
Regular price $21.38Sale price $21.38 Regular priceUnit price per$25.15You Save $3.77! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 32mm Head (STD) - Single
Only 11 leftRegular price $21.43Sale price $21.43 Regular priceUnit price per$25.21You Save $3.78! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ257/EJ207/EJ205 Viton 6mm Valve Stem Seal Set
Regular price $17.52Sale price $17.52 Regular priceUnit price per$20.61You Save $3.09! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Valve Seat Set OEM Replacement EJ205/EJ207/EJ257
Regular price $22.44Sale price $22.44 Regular priceUnit price per$26.40You Save $3.96!
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.