Holley Sniper EFI 2GC Self-Tuning Master Kit
510-550-855K
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Master Kits
For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.
Features:
- Fits select 1955-1969 GM Vehicles
- Bolt-on EFI kit that replaces Rochester 2GC Large Bore Carburetor
- Universal throttle lever bracket with TH350, 700R4, 200-4R transmission kick-down provisions
- Fits most factory 2GC large bore air cleaner assemblies
- Self-tuning ECU requires no previous tuning knowledge or computer
- Supports up to 350 HP with two 100 lb./hr injectors
- Throttle body mounted ECU
- Integrated ignition timing control
- Only 4 required wiring connections (Battery +, Battery -, Switched Ignition & RPM)
- Internal fuel pressure regulator
- High-resolution color touchscreen for setup, tuning, and gauge output displays
- Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time fuel map learn
- OEM-Style TPS/IAC and fuel pressure regulator
- Clamp-on oxygen sensor kit for 2 in. exhaust
- Fuel kit contains 20 in. of hose, 2 filters, high-pressure EFI fuel pump, and required fittings
- Sniper EFI Software is free to download which allows for real-time tuning and constant updates
Fitment Notes:
This Sniper EFI Kit is not for use with Tri-Power installations
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.