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Holley HP EFI ECU and Harness Kits 550-606

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Trick Flow® 550 HP GenX® Top-End Engine Kits for GM LS2 TFS-K306-550-470

Trick Flow® 550 HP GenX® Top-End Engine Kits for GM LS2 TFS-K306-550-470

Head Combo, GenX® Top-End, Chevy, Small Block, LS2, Kit

Part Number: TFS-K306-550-470

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2021 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939BMF-15

Nitrous Oxide Injection System Kit Nitrous & Water Methanol System w/Billet LT4 Supercharger Lid 15lb Bottle

Part Number: NEX-20939BMF-15

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2021 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939BMF-00

Nitrous Oxide Injection System Kit Nitrous & Water Methanol System w/Billet LT4 Supercharger Lid No Bottle

Part Number: NEX-20939BMF-00

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2020 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939-00

Nitrous Oxide Injection System Kit Nitrous System with Billet LT4 Supercharger Lid w/ No bottle

Part Number: NEX-20939-00

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express (NX) Nitrous Oxide Systems 20972-05

NOx Injection System Kit, Hellcat Lid With Nitrous System (100-400HP) W/ 5LB Bottle

Part Number: NEX-20972-05

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36120

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2013-Up, Swap, Kit

Part Number: EDL-36120

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36140

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2008-12, Swap, Kit

Part Number: EDL-36140

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Holley Terminator X Engine Management Systems 550-1225

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Estimated Ship Date: Today

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Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36150

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2005-07, Swap, Kit

Part Number: EDL-36150

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36160

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2015.5-17, Swap, Kit

Part Number: EDL-36160

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36110

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2011-15.5, Swap, Kit

Part Number: EDL-36110

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2021 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939BMF-10

Nitrous Oxide and Water Methanol System, Wet, LT4 Supercharger Lid, Black Anodized, 10 lb. Bottle, Cadillac, Chevrolet, 6.2L, Kit

Part Number: NEX-20939BMF-10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express Hellcat Billet Supercharger Lid Nitrous Systems for 2015-2021 CHALLENGER, CHARGER, 2018-2020 GRAND CHEROKEE - 20972-00

Nitrous Oxide Systems, Supercharger Lid System, 100-300 HP, Wiring, Hardware, No Bottle, Dodge, Hellcat, Demon, Kit

Part Number: NEX-20972-00

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express Hellcat Billet Supercharger Lid Nitrous Systems for 2015-2021 CHALLENGER, CHARGER, 2018-2020 GRAND CHEROKEE - 20972-10

Nitrous Oxide Systems, Supercharger Lid System, 100-300 HP, Wiring, Hardware, 10 lb Aluminum Bottle, Dodge, Hellcat, Demon, Kit

Part Number: NEX-20972-10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2020 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939-10

Nitrous Oxide System, Wet, LT4 Supercharger Lid, Black Anodized, 10 lb. Bottle, Cadillac, Chevrolet, 6.2L, Kit

Part Number: NEX-20939-10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2020 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939-15

Nitrous Oxide System, Wet, LT4 Supercharger Lid, Black Anodized, 15 lb. Bottle, Cadillac, Chevrolet, 6.2L, Kit

Part Number: NEX-20939-15

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Express Shark Nozzle Nitrous Systems 91006-15

Nitrous System, 15 lb Bottle, Pro-Shk/Gas Kit, 200-300-400-500-600 HP, 4 Solenoids w/ Rails, Kit

Part Number: NEX-91006-15

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Nitrous Outlet EFI Single Hydra Nozzle Systems 00-10044-12

Nitrous Oxide System, EFI Single Hydra Nozzle System, 35, 50, 70, 100, 150, 200 hp, 12 lb. Bottle, Kit

Part Number: NXO-00-10044-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10101-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, Chevrolet, V8, Kit

Part Number: NXO-00-10101-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Hardline Nitrous Oxide Plate Systems for 2016-2017 CAMARO - 00-10154-MSD-12

Nitrous Oxide System, Gen 6 Camaro w/MSD Atomic Airforce Intake Hardline Plate System, 50-200 HP, 12 lbs. Bottle, Kit

Part Number: NXO-0010154MSD12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10107-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for 90mm LSX Truck Inake, Chevrolet, GMC, Small Block LS, Kit

Part Number: NXO-00-10107-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10108-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for Use On 90mm LSX 4-bolt Intake, Chevrolet, Small Block LS, Kit

Part Number: NXO-00-10108-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10113-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for Use with A 92mm LSX Intake, Chevrolet, Small Block LS, Kit

Part Number: NXO-00-10113-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10115-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for Use On A 102mm LSX Intake, Chevrolet, Small Block LS, Kit

Part Number: NXO-00-10115-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10125-12

90mm MagnaCharger Nitrous Plate Kit (50-200HP) (12lb Bottle)

Part Number: NXO-00-10125-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

656 Results Found For "fuel injection kit"