EFI Kits, Fuel Injectors, Throttle Bodies & More

Painless Performance Emission Device Control Harnesses 60320

Painless Performance Emission Device Control Harnesses 60320

Emission Wiring Harness, Rear Oxygen Sensor and Fuel Tank Pressure Sensor, Each

Part Number: PRF-60320

Not Yet Reviewed

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The Detail Zone Telorvek GM Ram Jet EFI Wiring Harnesses RJ42

Wiring Harness, EFI, Speed Density, GM Ram Jet, Kit

Part Number: RFW-RJ42

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FAST XFI 2.0/XIM Super Cobra Jet Engine Harnesses 301150

Fuel injection wiring harness WIRING HARNESS, FAST XFI MAIN,FORD SCJ MODULAR

Part Number: FST-301150

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Painless Performance Fuel Injection Harnesses 60203

Wiring Harness, Fuel Injection, GM, TPI, Front Mount Fuse Block, Spade Fuse, Extra-Long Harness, Universal, Kit

Part Number: PRF-60203

5.0 out of 5 stars ( 1 )

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Painless Performance Fuel Injection Harnesses 60520

Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, LS2, Kit

Part Number: PRF-60520

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Wiring Specialties Pro Series Wiring Harnesses WPLS2UGT5MEP

Wiring Harness, Pro Series, 6.0L LS2, Magnum Manual Transmission, 5-pin MAF, EV6 Injectors, Each

Part Number: WRS-WPLS2UGT5MEP

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FAST XFI Fuel Injector Harnesses 301203

Wiring Harness, Fuel Injector, FAST XFI, Ford, Each

Part Number: FST-301203

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Fleece Performance Fuel Injection Wiring Harnesses FPE-HAR-CP3-EXT

Fuel pressure regulator harness, Bosch CP3 regulator, Duramax, Each

Part Number: FLE-S0398

2.0 out of 5 stars ( 2 )

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FAST Fuel Injection System Components 307037

Output Converter Kit Air Temperature Sensor w/ 12 Volt to 5 Volt

Part Number: FST-307037

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST XFI Fuel Injector Harnesses 301200

Wiring Harness, Fuel Injector, FAST XFI, Chevy, 18436572 Firing Order, Each

Part Number: FST-301200

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST EZ-EFI 2.0 Replacement Main Wiring Harnesses 30308

Main Wiring Harness, EZ-EFI 2.0 Replacement, Throttle Body Injection Style, Universal, FAST, Each

Part Number: FST-30308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

AEM Electronics CD-7 Plug and Play Adapter Cables 30-2214

Adapter cable, CD-7/CD-7L Plug & Play Adapter Harness for Holley Dominator and HP EFI, Each

Part Number: AVM-30-2214

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Holley Hilborn Ram Tube Kits 300-805

RAM TUBE SET OF 8, 3 ID X 8 LG, ALUM

Part Number: HLY-300-805

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Holley Hilborn Ram Tube Kits 300-806

RAM TUBE SET OF 8, 3 ID X 12 LG, ALUM

Part Number: HLY-300-806

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Fleece Performance Fuel Injection Wiring Harnesses FPE-CP3X2

Fuel pump harness, Dual CP3, Cummins, Each

Part Number: FLE-FPE-CP3X2

Not Yet Reviewed

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Wiring Specialties Pro Series LS1 Engine Wiring Harnesses WPLS1UG4L60

Wiring Harness, Pro Series, GTO LS1, 4L60E Auto Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UG4L60

Not Yet Reviewed

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Haltech Nexus Rebel LS Terminated Harnesses HT-186500

Wiring Harness, Nexus Rebel, ECU, Plug-and-Play, Standard Length, Chevy, LS, Each

Part Number: HTH-HT-186500

Not Yet Reviewed

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Dorman Fuel Injection Wiring Harnesses 904-479

Harness, Fuel Injection, Standard Replacement, BlueBird, Crane Carrier, Ford, Freightliner, Kenworth, Peterbilt, Pierce, Sterling, Ea

Part Number: RNB-904-479

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Nitrous Outlet Fuel Injection System Wiring Harnesses 00-52042

LS2/LS3 Extension Harness With TPS Output wire

Part Number: NXO-00-52042

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FAST Fuel Injection System Wiring Harnesses 43227

MAIN HARNESS

Part Number: FST-43227

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

FAST XFI Fuel Injector Harnesses 301201

Wiring Harness, Fuel Injector, FAST XFI, Chevy, 18736542 Firing Order, Each

Part Number: FST-301201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

FAST XFI Fuel Injector Harnesses 301204

Wiring Harness, Fuel Injector, FAST XFI, Ford, Each

Part Number: FST-301204

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Painless Performance Fuel Injection Harnesses 60312

Wiring Harness, Fuel Injection, Emission Harness, Multi-Port, Mass Airflow, Chevy, Pontiac, 5.7L, V8, Each

Part Number: PRF-60312

Not Yet Reviewed

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ACDelco Fuel Injection System Components 14025557

GASKET,F/INJR NOZ

Part Number: ADO-14025557

Not Yet Reviewed

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URO Parts - Fuel Injection System Components for 1965-1989 911, 1965-1969 912, 1978-1979 930 - 91142359301

Fuel Injection Accelerator Rod, Porsche 911 65-89, 930 78-79, 912 65-69

Part Number: URO-011300

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today