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Holley EFI 550-869 Carburetor
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Key item features
- Versatile Finishes: Available in Classic Gold, Shiny, and Black Ceramic to suit various aesthetic preferences.
- Powerful Performance: Supports up to 500hp with four 100 Lb/Hr injectors, delivering the signature Rochester Roar at Wide Open Throttle.
- Integrated Control: Features a throttle body mounted ECU, integrated ignition timing control, and OEM style TPS/IAC for dependable service.
- Simplified Installation: Requires only four wiring connections and fits most stock Rochester Quadrajet air cleaners, with included brake booster and universal throttle/kickdown brackets.
- Intuitive Tuning: Includes a high-resolution full-color touchscreen with a simple calibration wizard and self-tuning ECU, eliminating the need for a laptop.
- Marine Certified: Certified to ISO 8846, SAE J1171, and US Coast Guard requirements for ignition protection, making it suitable for marine conversions (requires a flame arrestor).
Generated by AI
Specs
- Vehicle model550869
- Vehicle makeOldsmobile,
- Vehicle fitment typeSpecific
- Automotive parts divisionPerformance
- BrandHolley Sniper EFI
- Automotive specialty part typeFuel Injection Conversion
Current price is USD$1,699.95
Price when purchased online
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Columbus, 43215
Arrives by Fri, Feb 6
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Starting from $1,820.21
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About this item
Product details
Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold Finish;
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!;
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 â€" 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 Quadrajetâ„¢ (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
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Specifications
Vehicle model
550869
Vehicle make
Oldsmobile,
Vehicle fitment type
Specific
Automotive parts division
Performance
Warranty
Warranty information
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Warnings
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| Vehicle model | 550869Holley EFI 550-869 Carburetor | 550-511-BPX-SBFHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford | 550-858KHolley EFI 550-858K | 550-511-BXXHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM | FoxbodyHolley EFI 558-513 EFI MPFI Harness Kits | CoyoteHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | 550-511-BPX-SBCHolley Sniper 2 EFI Bundle Kit SBC BLACK | CoyoteHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | -Holley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit |
|---|---|---|---|---|---|---|---|---|---|
| Vehicle make | Oldsmobile,Holley EFI 550-869 Carburetor | FordHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford | JeepHolley EFI 550-858K | -Holley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM | FordHolley EFI 558-513 EFI MPFI Harness Kits | FordHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | ChevyHolley Sniper 2 EFI Bundle Kit SBC BLACK | FordHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | ChevroletHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit |
| Vehicle fitment type | SpecificHolley EFI 550-869 Carburetor | SpecificHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford | UniversalHolley EFI 550-858K | SpecificHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM | SpecificHolley EFI 558-513 EFI MPFI Harness Kits | SpecificHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | SpecificHolley Sniper 2 EFI Bundle Kit SBC BLACK | SpecificHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | SpecificHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit |
| Automotive parts division | PerformanceHolley EFI 550-869 Carburetor | PerformanceHolley 550-511-BPX-SBF Sniper 2 EFI Bundle w/ Hyperspark Ignition System - Fits Ford | PerformanceHolley EFI 550-858K | PerformanceHolley 550-511-BXX Sniper 2 EFI - Black, Base Kit Without PDM | -Holley EFI 558-513 EFI MPFI Harness Kits | -Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish | PerformanceHolley Sniper 2 EFI Bundle Kit SBC BLACK | -Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish | PerformanceHolley EFI 550-857K Sniper EFI 2GC Large Bore Master Kit |
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Showing 1-1 of 1 review
Sep 11, 2019
macdaddys
1 out of 5 stars review
Good if it working
I put it on motorhome work fine until one injector would go wide open when power up.had to send back to holley. They would not sell me one. Fifty dollars with insurance shipping and three weeks down time. Can not be stranded waiting for holley to fix
Review from jegs.com
Helpful?20NOH8ZJKILX986536552
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