Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3PD.
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Replacement and high-flow performance injectors. Gasoline and diesel.
Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3AX.
Ref: 550-510-3AX
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3AE.
Ref: 550-510-3AE
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3XR.
Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3XK.
Ref: 550-510-3XK
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3XD.
Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3PX.
Ref: 550-510-3PX
Available from the manufacturer (24+)
→ Nov 20, 2026
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3PK.
Ref: 550-510-3PK
Available from the manufacturer (24+)
→ Nov 20, 2026
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 4150. Manufacturer part number: 550-510-3XX.
Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 2300. Manufacturer part number: 550-850.
Ref: 550-850
Available from the manufacturer (24+)
→ Nov 20, 2026
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Flange : 2300. Manufacturer part number: 550-849.
Ref: 550-849
Available from the manufacturer (24+)
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Conversion kit to replace a carburetor fuel supply with Holley Sniper EFI electronic fuel injection. Fuel pressure : 4 bar (58.5 psi); Inlet/outlet ports : 9/16-18 female O-ring (AN6); Colour / finish : gold, classic gold. Manufacturer part number: 550-857.