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Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust 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 Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 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 Honda K-Series VTEC K20/24 Manganese Bronze Exhaust Valve Guide Stopper Style - SET OF 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 Mitsubishi 4B11T Exhaust Valve Guide - Set of 8
Only 15 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 Mitsubishi 4G63T Manganese Bronze Exhaust Valve Guide Stopper Style +.001in 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 Nissan RB26DEETT Manganese Bronze Exhaust Valve Guide - Set 12
Regular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Set of 240
Regular price $1,448.36Sale price $1,448.36 Regular priceUnit price per$1,703.95You Save $255.59! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Set of 240
Only 1 leftRegular price $1,448.36Sale price $1,448.36 Regular priceUnit price per$1,703.95You Save $255.59! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - SET OF 12
Only 1 leftRegular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 2JZ STD Manganese Bronze Exhaust Valve Guide Stopper Style - Set of 12
Regular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota 2JZ Manganese Bronze Intake Valve Guide Stopper Style - Set of 12
Regular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Audi R8/Lambirghini Huracan V10 5.2L Int/Exh Stopper Style Valve Guide Set - Set of 10
Only 1 leftRegular price $62.06Sale price $62.06 Regular priceUnit price per$73.01You Save $10.95! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Ford Coyote Gen 3 Intake/Exhaust Valve Guide Set - Set of 16 (Use OEM or GSC 1102)
Regular price $99.29Sale price $99.29 Regular priceUnit price per$116.81You Save $17.52! -
Up to 15% offVendor:GSC Power DivisionGSC P-D Toyota/BMW B58 / BMW S58 Manganese Bronze Intake Valve Guide w/Stopper - Set of 12
Only 6 leftRegular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14! -
Up to 15% offVendor:GSC Power DivisionGSC P-D BMW/Toyota B58 / BMW S58 Manganese Bronze Exhaust Valve Guide w/Stopper - Set of 12
Regular price $74.47Sale price $74.47 Regular priceUnit price per$87.61You Save $13.14!
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.