Free Shipping on Orders Over $109 at Summit Racing

Holley Dominator EFI Vehicle Management Systems 550-659

Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-659

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-602N

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2 Sensor, GM, LS, 24x Crank Sensor, Kit

Part Number: HLY-550-602N

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Haltech Elite 2500 ECU with Premium Universal Wire-In Harness HT-151304

Engine Control Unit, Elite 2500, with Premium Wire-In Harness, Universal, Kit

Part Number: HTH-HT-151304

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Outlet Direct Port Nitrous Systems 00-10433-H-10

Nitrous Outlet Direct Port Nitrous Systems 00-10433-H-10

8 Cyl 4 Sol Racers Direct Port Sys Low PSI( 10lb Bottle)(90° Noz)

Part Number: NXO-0010433H10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Holley HP EFI ECU and Harness Kits for 1999-2004 MUSTANG - 550-617

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-617

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-605

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit

Part Number: HLY-550-605

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-616

Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-628N

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628N

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-601N

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601N

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

American Autowire Classic Update Series Wiring Harness Kits for 1984-1990 CHEROKEE - 510872

Wiring Harness, Classic Update Kit, Jeep XJ, Kit

Part Number: AWW-510872

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 8, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10362-R-DS-12

DS 4 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(12Lb Bottle)(90° Noz)

Part Number: NXO-107674

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10362-R-DS-15

DS 4 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(15Lb Bottle)(90° Noz)

Part Number: NXO-107681

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10362-R-DS-10

DS 4 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(10Lb Bottle)(90° Noz)

Part Number: NXO-107667

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10362-R-DS-00

DS 4 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(No Bottle)(90° Noz)

Part Number: NXO-107650

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10361-SBT-12

Dry EFI 4 Cyl 1 Sol Direct Port Sys w/ Single Rail (12Lb Bottle)(SBT Noz)

Part Number: NXO-0010361SBT12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10470-H-R-12

Dry EFI 8 Cyl 1 Sol Direct Port Sys w/ Single Rail (12Lb Bottle)(90° Noz)

Part Number: NXO-0010470HR12

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10398-R-12

6 Cyl 2 Sol Direct Port Sys w/ Single Rail Low PSI(12Lb Bottle)(90° Noz)

Part Number: NXO-0010398R12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10496-R-12

10 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(12Lb Bottle)(90° Noz)

Part Number: NXO-0010496R12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10496-R-15

10 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(15Lb Bottle)(90° Noz)

Part Number: NXO-0010496R15

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10472-H-R-12

8 Cyl 2 Sol Direct Port Sys w/ Single Rail Low PSI(12Lb Bottle)90° Noz

Part Number: NXO-0010472HR12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10471-H-R-12

Dry EFI 8 Cyl 2 Sol Direct Port Sys w/ Dual Rails (12Lb Bottle )(90° Noz)

Part Number: NXO-0010471HR12

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10474-L-R-12

8 Cyl 4 Sol Direct Port Sys w/ Dual Rails Low PSI(12Lb Bottle)(90° Noz)

Part Number: NXO-0010474LR12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10494-R-12

10 Cyl 2 Sol Direct Port Sys w/ Single Rail Low PSI(12Lb Bottle)(90° Noz)

Part Number: NXO-0010494R12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10494-R-15

10 Cyl 2 Sol Direct Port Sys w/ Single Rail Low PSI(15Lb Bottle)(90° Noz)

Part Number: NXO-0010494R15

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Outlet Direct Port Nitrous Systems 00-10493-R-12

10 Cyl 1 Sol Dry EFI Direct Port Sys w/ Single Rail(12Lb Bottle)(90° Noz)

Part Number: NXO-0010493R12

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

2,000+ Results Found For "injection"