Description
Advanced Fuel Injection. The Holley Sniper 2 EFI With Inline Pump – Black is a high-performance electronic fuel injection system designed to enhance power, fuel efficiency, and ease of use. It replaces traditional carburetors with a self-tuning EFI that improves engine performance across various applications.
Construction and Appearance. This EFI system features a durable black finish and a redesigned throttle body equipped with genuine Bosch wideband oxygen sensor technology. Its compact design includes mil-spec connectors and a clean wiring harness that exits from the rear, providing a sleek and professional installation.
Installation. Installation is straightforward and requires minimal wiring, with only four connections needed. The system is designed for easy mounting without drilling or major modifications.
Warranty. It includes a two-year standard warranty to ensure reliability and peace of mind.
Application. Designed to fit universal applications; some adaptation may be required.
Holley 550-511-3XK
CA Residents: WARNING: Cancer and Reproductive Harm
- Inline Pump – Without PDM – 3.5 In. Handheld
- Black Finish
- Fuel System Master Kit Included
- No Hyperspark Ignition Kit
- Power Distribution Module Not Included
- User Interface: 3.5 In Handheld Display
- Self-Tuning Capability
- Maximum Horsepower Rating 650 Naturally Aspirated
- Fuel Pump Flow Rating 240 LPH
- Fuel Pressure 58.5 PSI
- Fuel Injectors Included
- Fuel Filter Included
- Fuel Hose Included
- CAN-BUS Support Enabled
- Throttle Body Model 4150 EFI Conversion
- Flange Style 4150
- Ignition Timing Control Supported
- Emissions Code 3
- Height 3.28 Inches
- Forced Induction Support Included
- Warranty Two Year Standard
- Fits Universal; Some Adaptation May Be Required
| Brand | Holley |
| Throttle Body Type | Cable |
| Throttle Body Diameter | N/A |






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