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Accessories + Misc.

Injectors

Replacement and high-flow performance injectors. Gasoline and diesel.

Ref 550-858K Holley

Holley Sniper EFI BBD Master Kit for 1971-1986 Jeep CJ - Shiny

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 : Jeep CJ BBD. Manufacturer part number: 550-858K.

Ref: 550-858K

Available from the manufacturer (24+) → Nov 20, 2026

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Ref 550-869K Holley

Holley Sniper EFI Quadrajet Master Kit - Classic Gold

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 : Spreadbore. Manufacturer part number: 550-869K.

Ref: 550-869K

Temporarily unavailable

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Ref 550-870K Holley

Holley Sniper Stealth 4150 Master Kit - Shiny

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 : 3/4-16 female O-ring (AN8); Flange : 4150. Manufacturer part number: 550-870K.

Ref: 550-870K

Available from the manufacturer (3) → Nov 20, 2026

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Ref 550-871K Holley

Holley Sniper Stealth 4150 Master Kit - Black

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 : 3/4-16 female O-ring (AN8); Flange : 4150. Manufacturer part number: 550-871K.

Ref: 550-871K

Available from the manufacturer (18) → Nov 20, 2026

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Ref 550-872K Holley

Holley Sniper Stealth 4150 Master Kit - Classic Gold

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 : 3/4-16 female O-ring (AN8); Flange : 4150. Manufacturer part number: 550-872K.

Ref: 550-872K

Available from the manufacturer (5) → Nov 20, 2026

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Ref 550-511-BXX Holley

Holley Sniper 2 EFI - Black

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: 550-511-BXX.

Ref: 550-511-BXX

Available from the manufacturer (2) → Nov 20, 2026

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Ref 550-511-BXR Holley

Holley Sniper 2 EFI - Black

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: 550-511-BXR.

Ref: 550-511-BXR

Available from the manufacturer (1) → Nov 20, 2026

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Ref 550-511-BXK Holley

Holley Sniper 2 EFI - Black

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: 550-511-BXK.

Ref: 550-511-BXK

Added to the next production schedule

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Ref 550-511-BPR Holley

Holley Sniper 2 EFI - Black

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: 550-511-BPR.

Ref: 550-511-BPR

Available from the manufacturer (6) → Nov 20, 2026

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Ref 550-511-BXD Holley

Holley Sniper 2 EFI - Black

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: 550-511-BXD.

Ref: 550-511-BXD

Temporarily unavailable

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Ref 550-511-BPX Holley

Holley Sniper 2 EFI - Black

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: 550-511-BPX.

Ref: 550-511-BPX

Available from the manufacturer (24+) → Nov 20, 2026

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Ref 550-511-5XX Holley

Holley Sniper 2 EFI - Black

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: 550-511-5XX.

Ref: 550-511-5XX

Available from the manufacturer (2) → Nov 20, 2026

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