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Vendor:Injector DynamicsInjector Dynamics ID1050X Fuel Injectors 34mm Length 14mm Top O-Ring 14mm Lower O-Ring (Set of 4)
Only 18 leftRegular price $591.36Sale price $591.36 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 60mm Length - 14mm Top - 14mm Bottom Adapter (Set of 4)
Regular price $1,617.00Sale price $1,617.00 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 48mm Length - 14mm Top - 14mm Lower O-Ring R35 (Set of 4)
Regular price $1,593.90Sale price $1,593.90 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 2ZZ-GE - 11mm Top - Denso Lower Cushion (Set of 4)
Regular price $1,649.34Sale price $1,649.34 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - FA20 - 11mm Top - WRX-16B Bottom Adapter (Set of 4)
Regular price $1,593.90Sale price $1,593.90 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 04-06 Subaru WRX STi - Top Feed Conversion Kit (Set of 4)
Only 1 leftRegular price $1,813.35Sale price $1,813.35 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 05-13 Scion tC - 11mm Top - Denso Lower Cushion (Set of 4)
Regular price $1,649.34Sale price $1,649.34 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 90-05 Mazda Miata - 11mm Top - -204 Lower Cushion (Set of 4)
Regular price $1,593.90Sale price $1,593.90 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 2600-XDS Injectors - 12-15 Civic Si - 14mm Top - Denso Over O-Ring (Set of 4)
Regular price $1,593.90Sale price $1,593.90 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 1700cc Injectors - 48mm Length - Mach Top to 11mm - S2000 Low Config (Set of 4)
Regular price $1,218.00Sale price $1,218.00 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics ID1300 Ford Focus RS (MK II-IV) (14mm) 1300cc Injectors (Set of 5)
Only 1 leftRegular price $1,299.38Sale price $1,299.38 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 1340cc Injectors-48mm Length-14mm Grey Top-14mm L O-Ring(R35 Low Spacer)(Set of 4)
Regular price $1,039.50Sale price $1,039.50 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 1340cc Injector - 48mm Length - 11mm Gold Top - S2000 Lower Config (Single)
Regular price $259.88Sale price $259.88 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics 1340cc Injectors - 48mm Length - 11mm Gold Top - 14mm Lower O-Ring (Set of 4)
Regular price $1,039.50Sale price $1,039.50 Regular priceUnit price per -
Vendor:Injector DynamicsInjector Dynamics ID1300 Lotus Exige / Elise 05+ 1300cc Injectors (Set of 4)
Regular price $1,094.94Sale price $1,094.94 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.