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$113 Off
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#425550869
Holley Sniper 550-869 EFI Quadrajet, Classic Gold Finish
Gold - W/ Fuel Delivery
$1,799.95
/kit
Factory Shipped
$1,912.95
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Key Specs
| MFG. Part # | 550-869 |
| Injection Style | Throttle Body |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Max Horsepower Rating | 500 |
| ECM Included | Yes |
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Holley Sniper 550-869 Details
Are you tired of rebuilding the 50+ year old Rochester Quadrajet (Q-Jet) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? Introducing Sniper EFI Quadrajet. The first bolt on spread bore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps! The Sniper EFI Rochester Quadrajet (Q-Jet) system retains the same great features as the 4150 Sniper EFI version such as; four 100lb/hr Injectors, built in timing control, a 3.5" full color touchscreen and much more! The throttle body will support up to 500 horsepower naturally aspirated. In addition to all of these great tried and true features, the Sniper EFI Rochester Quadrajet (Q-Jet) system will fit most stock air cleaners and offers multiple fuel inlet configurations that allow for a stock appearing installation!
- Available in 3 Finishes - Classic Gold, Shiny and Black Ceramic
- Designed to deliver the signature Rochester Roar at Wide Open Throttle!
- Throttle body mounted ECU – no extra boxes to mount
- Supports up to 500hp with Four 100 Lb/Hr Injectors!
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- Integrated ignition timing control
- Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
- Fits most stock Rochester Quadrajet (Q-Jet) air cleaners
- Brake Booster adapter included, if required
- Universal Throttle and transmission kickdown bracket included
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
- 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!
- Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
- OEM Style Throttle Position Senser (TPS)/ and Idle Air Control (IAC) for years of dependable service.
- 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
- Requires external fuel pressure regulator, such as: 12-886 or 12-879
- Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
- A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
- Patent Pending
Charts
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
Holley Sniper 550-869 Specifications
Holley Sniper 550-869 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-869 |
| Brand | Holley Sniper |
| Injection Style | Throttle Body |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Max Horsepower Rating | 500 |
| ECM Included | Yes |
| GENERAL | |
| Carburetor Flange Type | 4-Barrel Spread Bore |
| CFM | 715 CFM |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Cast Aluminum |
| Throttle Body Finish | Gold |
| Venturi Quantity | 4 |
| Fuel Pump Included | No |
| Fuel Rails Included | Yes |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | No |
| Distributor Included | No |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | Yes |
| TPS Sensor Included | Yes |
| Use with Power Adder | No |
| GTIN Code | 090127056851 |
| Sold in Quantity | Kit |
Ratings & Reviews
5
1 Review
Ratings & Reviews
5
1 Review
5
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Great way to get EFI
5.0
8 months ago
fbfan
Fort Worth, Texas
Verified
Came well packaged. Fits my QJet intake manifold with no adapter needed.
Would Recommend
Showing 1 of 1 reviews
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