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Vendor:AMP ResearchAMP Research Replacement OBD II Pass Through Harness
Regular price $59.99Sale price $59.99 Regular priceUnit price per -
Vendor:AMP ResearchAMP Research Jeep JK PowerStep Wiring Harness
Regular price $139.99Sale price $139.99 Regular priceUnit price per -
Vendor:AMP ResearchAMP Research Toyota Tundra Wire Harness
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Up to 11% offVendor:AEMAEM DTM Style 4-Way Receptacle Connector Kit with 5 Female Pins
Regular price $9.36Sale price $9.36 Regular priceUnit price per$10.53You Save $1.17! -
Up to 10% offVendor:AEMAEM DTM-Style 2 Way Plug Connector w/ Pins
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Up to 20% offVendor:AEMAEM K-Type Thermocouple Kit - Single
Regular price $107.95Sale price $107.95 Regular priceUnit price per$134.95You Save $27.00! -
Vendor:AMP ResearchAMP Research Replacement OBD2 Module
Only 6 leftRegular price $80.99Sale price $80.99 Regular priceUnit price per -
Vendor:AMP ResearchAMP Research 19-22 Dodge Ram 1500 Wire Harness Kit
Regular price $149.98Sale price $149.98 Regular priceUnit price per -
Vendor:AMP ResearchAMP Research OBD II Module 18-19 Dodge Ram Only
Regular price $80.99Sale price $80.99 Regular priceUnit price per -
Vendor:AMP ResearchAMP Research 14-21 GM Replacement OBD II Module Plug for Plug N Play Power Step
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Up to 20% offVendor:AEMAEM Sensor Harness for 30-0300 X-Series Wideband Gauge
Only 7 leftRegular price $31.12Sale price $31.12 Regular priceUnit price per$38.90You Save $7.78! -
Up to 20% offVendor:AEMAEM Single K-Type Thermocouple Kit - 4 Pack
Only 4 leftRegular price $386.95Sale price $386.95 Regular priceUnit price per$484.95You Save $98.00! -
Up to 20% offVendor:AEMAEM Single K-Type Thermocouple Kit - 2 Pack
Only 1 leftRegular price $215.05Sale price $215.05 Regular priceUnit price per$268.95You Save $53.90! -
Vendor:HaltechHaltech NEXUS S3 ECU + Plug & Pin Set
Only 6 leftRegular price $2,215.00Sale price $2,215.00 Regular priceUnit price per -
Vendor:HaltechHaltech NEXUS S2 ECU + Plug & Pin Set
Only 6 leftRegular price $1,815.00Sale price $1,815.00 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.