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Summit Racing SpeedCard - learn how to get 10% back up to $100

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Fuel Injection System Component Type
- Main wiring harness (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ECU (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Fuel injector harness (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
- $500-$750 (3)
- $750-$1000 (1)

Fuel Injection Parts

When you need replacement or upgrade components for your electronic fuel injection system, your one-stop shop is Summit Racing Equipment! In addition to major parts...

When you need replacement or upgrade components for your electronic fuel injection system, your one-stop shop is Summit Racing Equipment! In addition to major parts like fuel injectors, fuel rails, and complete systems, you’ll also find wiring harnesses, sensors, connectors, ECU modules, monitors, pressure transducers, programmers, and everything else you could ever need.

Top Brands

Summit is your source for trusted EFI manufacturers like MSD, Holley, Dorman, Quick Fuel, FAST, BD Diesel, and so many more.

When you need replacement or upgrade components for your electronic fuel injection system, your one-stop shop is Summit Racing Equipment! In addition to major parts like fuel injectors, fuel rails, and complete systems, you’ll also find wiring harnesses, sensors, connectors, ECU modules, monitors, pressure transducers, programmers, and everything else you could ever need.

Top Brands

Summit is your source for trusted EFI manufacturers like MSD, Holley, Dorman, Quick Fuel, FAST, BD Diesel, and so many more.

Showing In Stock Items. Show All 4 Items.

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Results 1 - 4 of 4

Edelbrock Pro-Flo 4 Engine Control Units 3543

Edelbrock Pro-Flo 4 Engine Control Units 3543

Edelbrock Pro-Flo 4 Engine Control Units 3543

Engine Control Unit, Pro-Flo 4, Each

Part Number: EDL-3543

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-128

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-128

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-128

Fuel Injection System Components, Holley EFI, Main Harness, Plug-and-Play, Factory PWM/IAC Connectors, with OE Injectors, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-128

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-513

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-513

Holley EFI Systems Main Wiring Harnesses for 1983-1993 MUSTANG - 558-513

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator X, Terminator Max X Systems, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-513

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Holley EFI Systems Main Wiring Harnesses 558-130

Holley EFI Systems Main Wiring Harnesses 558-130

Holley EFI Systems Main Wiring Harnesses 558-130

Wiring Harnesses, Holley EFI, LT4 Engine, Main Harness, for Terminator X, V3 ECU, Cadillac, Chevy, Each

Part Number: HLY-558-130

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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