Holley 550-869K Sniper EFI Quadrajet Self-Tuning Throttle Body Master Kit
510-550-869K
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Master Kits
Holley 550-869K Sniper EFI Quadrajet Self-Tuning Throttle Body Master Kit Features:
- Fits most stock Rochester Quadrajet™ (Q-Jet) air cleaners
- Self-tuning ECU for EFI without requiring advanced computer/tuning skills
- Simple Calibration Wizard - Answer a few questions about your engine, and it creates the base map, then starts tuning on its own (No laptop required!)
- Only 4 Wiring Connections Required - Battery +, Battery -, Switched Ignition & RPM
- High-Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Throttle body-mounted ECU with no extra boxes to mount
- Supports up to 500hp with Four 100 Lb/Hr Injectors
- Integrated ignition timing control
- Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
- Designed to deliver the signature Rochester Roar at Wide Open Throttle
- Brake Booster adapter included if required
- Universal Throttle and transmission kick-down bracket included
- Complete fuel system includes – an external fuel pressure regulator preset to 58.5psi, 20ft of 3/8 in. Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware, and bulkhead fitting to return fuel into the tank
- Included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for realtime Fuel Map Learn
- OEM Style Throttle Position Sensor (TPS) and Idle Air Control (IAC) for years of dependable service
- The included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
Holley 550-869K Sniper EFI Quadrajet Self-Tuning Throttle Body Master Kit Notes:
- For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.
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.