Replacement Parts

Fuel and Air

Fuel Injection

Fuel Injection System by HOLLEY - 550-511-3XX

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       <li>Needle And Seat Hardware Kit; Gold Needle/Adjustable Nut/Lock Screw;</li>
    <li>Adjustable Needle and Seat hardware kit.  1 each adjusting nut with gasket.  1 each locking screw with gasket.  1 each O-ring.</li>
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Needle & Seat Hardware Kit by HOLLEY - 34-7

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       <li>HP EFI ECU; Incl. EFI ECU/USB Cable/Software; 4 Programmable Inputs;</li>
    <li>Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.</li>
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Holley Fuel Injection

Categories

Fuel Injection System by HOLLEY - 550-511-3XX

Needle & Seat Hardware Kit by HOLLEY - 34-7

Fuel Injector by HOLLEY - 522-838

EFI Fuel Rail by HOLLEY - 534-209

Fuel Injector by HOLLEY - 522-368

Fuel Injector by HOLLEY - 522-668

HP EFI ECU by HOLLEY - 554-113

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