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Holley

This category groups the Holley references JDM Distribution supplies to professionals, starting with the Sniper EFI injection kits.

Offer the carburettor to injection conversion

Sniper EFI kits replace a carburettor and manage the mixture through self-learning: a simple solution to offer your customers to modernise an engine's fuel delivery.

Sniper EFI injection kits
Holley fuel system accessories and components

Questions about a reference or a quantity? Contact our team.

Ref 550-510-BXX Holley

Holley Sniper 2 EFI - Polished

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-BXX.

Ref: 550-510-BXX

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

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Ref 550-511-3AX 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: 550-511-3AX.

Ref: 550-511-3AX

Available from the manufacturer (4) → Nov 20, 2026

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Ref 550-511-3AE 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: 550-511-3AE.

Ref: 550-511-3AE

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

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Ref 550-511-3PD 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: 550-511-3PD.

Ref: 550-511-3PD

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

Create a trade account to see the price

Ref 550-511-3PR 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: 550-511-3PR.

Ref: 550-511-3PR

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

Create a trade account to see the price

Ref 550-511-5PD 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: 550-511-5PD.

Ref: 550-511-5PD

Temporarily unavailable

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Ref 550-511-5PK 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: 550-511-5PK.

Ref: 550-511-5PK

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

Create a trade account to see the price

Ref 550-511-5PR 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: 550-511-5PR.

Ref: 550-511-5PR

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

Create a trade account to see the price

Ref 550-511-5PX 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: 550-511-5PX.

Ref: 550-511-5PX

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

Create a trade account to see the price

Ref 550-511-5XD 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: 550-511-5XD.

Ref: 550-511-5XD

Temporarily unavailable

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Ref 550-511-5XK 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: 550-511-5XK.

Ref: 550-511-5XK

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

Create a trade account to see the price

Ref 550-511-5XR 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: 550-511-5XR.

Ref: 550-511-5XR

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

Create a trade account to see the price