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

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

Haul in the Savings - Shop the Truck Savings Event Today!

15 Results Found For "Holley HP EFI Engine Control Units 550-604"

Individual Parts

Results 1 - 15 of 15

Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit

Part Number: HLY-558-200

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Wiring Harnesses, Holley EFI, TFI Ignition, Adapter Harness, for Avenger, HP, Dominator EFI Systems, Each

Part Number: HLY-558-305

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, Fuel Injector Harness, Unterminated, Bosch Style, for HP, Dominator EFI Systems, Universal, Each

Part Number: HLY-558-204

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, Unterminated, Ignition Harness, with Pins, Seals, Connector, for HP, Dominator EFI Systems, Kit

Part Number: HLY-558-306

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, 6 Cylinder, MPFI, SFI, TBI, Injector Harness, for HP, Dominator EFI Systems, Universal, Each

Part Number: HLY-558-203

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Fuel Injection Systems Wiring Harnesses, Holley EFI, Universal Harness, Four Cylinder, EV14 Injectors, 205 lbs.-hr. with HP/Dominator EFI, Each

Part Number: HLY-558-440

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Fuel Injection System Components, Sniper 2 EFI, Throttle Body System, CAN Hub, Direct Connect, Plastic Case, Black, Plug-and-Play, 5-Port, Each

Part Number: SNE-558-494

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Black Anodized, Hardware, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860004-1

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 102mm Bore, Billet Aluminum, Black Anodized, Hardware, Cable Operated, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860005-1

3.42 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injector System Components, Pressure Transducer, Replacement, 0-200 psi, 0.5-4.5 V Output, 1/8 in. NPT Inlet, 0.875 in. Diameter, Stainless, Each

Part Number: HLY-554-103

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 102mm Bore, Billet Aluminum, Silver Anodized, for Sniper EFI Intakes, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860002-1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injection System Components, Pressure Transducer, Replacement, 0-500 psi, 0.5-4.5 V, Stainless Case, 1/8 in.-27 NPT, with Wire Harness, Each

Part Number: HLY-554-136

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injector System Components, Pressure Transducer, Replacement, 0-1,600 psi, 0.5-4.5 V Out, 1/8 in. NPT Inlet, 0.875 in. Diameter, Stainless, Each

Part Number: HLY-554-104

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Natural Finish, Hardware, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SNE-860001-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Throttle Body, Sniper EFI, Multi-port Injection, 90mm Bore, Billet Aluminum, Silver Anodized, Hardware, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860007-1

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.