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Vendor:COBBCobb 18-21 Subaru WRX Previous Ethanol Sensor Kit to Subaru CAN FF Upgrade (Module/Harness/Bracket)
Regular price $735.00Sale price $735.00 Regular priceUnit price per -
Vendor:COBBCobb 15-17 Subaru WRX Previous Ethanol Sensor Kit to Subaru CAN FF Upgrade (Module/Harness/Bracket)
Regular price $735.00Sale price $735.00 Regular priceUnit price per -
Vendor:COBBCobb 11-14 Subaru WRX NexGen Flex Fuel Ethanol Sensor Kit
Only 14 leftRegular price $725.00Sale price $725.00 Regular priceUnit price per -
Vendor:COBBCOBB 22-25 Subaru WRX / 20-25 Outback XT/Wilderness High Flow Fuel Pump
Only 12 leftRegular price $235.00Sale price $235.00 Regular priceUnit price per -
Vendor:COBBCobb NexGen Flex Fuel Ethanol Sensor Kit UPGRADE (Module/Harness ONLY) USES PREV FF ETHANOL SENSR KT
Only 16 leftRegular price $540.00Sale price $540.00 Regular priceUnit price per -
Vendor:COBBCobb Subaru 11-14 WRX 5-Pin Fuel Pressure Sensor Kit
Regular price $275.00Sale price $275.00 Regular priceUnit price per -
Vendor:COBBCobb 08-14 Subaru WRX / 08-21 STI High Flow E85 Capable Fuel Pump
Regular price $190.00Sale price $190.00 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics O-ring/Seal Service Kit for Injector w/ 14mm Top ADPT and 14mm Clear Bottom ADPT
Regular price $4.91Sale price $4.91 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics O-Ring/Seal Service Kit for Injector w/ 14mm Top Adapter and 14mm Bottom
Only 11 leftRegular price $3.47Sale price $3.47 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics O-Ring/Seal Service Kit for Injector w/ 14mm Bottom Adapter
Only 9 leftRegular price $3.75Sale price $3.75 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics O-Ring/Seal Service Kit for Injector with 14mm Top Adapter and 14mm Bottom O Rings
Regular price $3.47Sale price $3.47 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics O-Ring/Seal Service Kit for Injector w/ 11mm Top Adapter and -204 Lower Cushion.
Regular price $4.04Sale price $4.04 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 1100lph Fuel Pump System Includes BPC100 and TI E5LM Pump
Only 7 leftRegular price $3,245.00Sale price $3,245.00 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 100 AMP Brushless Pump Controller For TI E5LM Fuel Pump
Only 5 leftRegular price $2,805.00Sale price $2,805.00 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics Service Kit for F750 Filter
Regular price $66.00Sale price $66.00 Regular priceUnit price per
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.