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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Sniper EFI 550-869 Holley Sniper EFI QuadrajetOverview: 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
Overview:
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!
Features:
- 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
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley Sniper EFI |
|---|---|
| CFM | 715 |
| Coast Guard Approved | Yes |
| Emission Code | 3 |
| Finish | Classic Gold |
| Flange Style | Spreadbore |
| Fuel Pressure | 58.5 PSI |
| Height | 3.28" |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 9/16-18 Female O-Ring (AN 6) |
| MAP Sensor | 2Bar |
| Max Horsepower Rating | 500 Naturally Aspirated |
| Product Type | Sniper 4BBL TBI Kits |
| Throttle Bore | 1.375 Primary / 2.00 Secondary |
| Transmission | 700R4/200R4 |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2135 reviews
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Product Reviews
★★★★★ 4
cart
Color: Gold, Size: 15"D x 33.9"W x 35.4"H
exactly what my wife had in mind
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Stylish and Functional Bar Cart, Perfect for any Space!
Color: Black, Size: 33.9"W
I recently added the VASAGLE Bar Cart in black to my home, and it has quickly become a standout piece in my kitchen and dining area! The sleek black frame combined with the mirrored shelves gives it a modern, elegant look that complements any decor.
Assembly was straightforward, with clear instructions and all necessary tools included. Once put together, the cart feels sturdy and well-constructed, perfect for daily use or special occasions.
The design is incredibly functional. The wine holders securely store my favorite bottles, while the glass holders keep my stemware organized and within easy reach. The mirrored shelves not only add a touch of luxury but are also spacious enough to hold everything from bar tools to serving platters.
Its mobility is a game-changer! The wheels roll smoothly, making it effortless to move from the kitchen to the dining room or even the patio for entertaining guests. The locking mechanism ensures stability when you need it.
Overall, this bar cart has exceeded my expectations in both style and functionality. Whether you're hosting a party or just want a convenient spot to organize your wine and cocktail essentials, this cart is a fantastic choice. Highly recommend!
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Reviewed in the United States on December 16, 2024
★★★★★ 5
Assembly instruction so poor it made it fun
Color: Black, Size: 33.9"W
The finished cart looks great but, man, I gotta give it up to whoever put those assembly instructions together. You, sir or ma’am, are a GD LEGEND. Following your nonsensical, contradictory and deceptive instructions became a magical journey that started in frustration and ended in maniacal, elated tears of joy. It was as if you crafted a special love letter just for me with hilarious inside jokes along the way that we shared across time and space. You, in your cubicle, dumping out misleading and false information and me, staring indignantly at the page wondering what type of unhinged person could possibly get so much wrong. Like when you illustrated and labeled two distinct and separate parts (and even gave instructions as to how to assemble them into one) when one, solid piece was clearly all that was present in the box. And how you labeled it with a clear letter C despite the glaring and bold G adorning the piece, in fact, mislabeled every single piece in the set. When you told me to expect three distinct screw sizes even though you knew I would only find two. How the wrench was slyly hidden away from the hardware box and instead wedged among the casters. I think my favorite part was noting how washers were included but left to my assumptions as to where to include them (this direction coyly absent from the manual entirely), only to realize at the end I would need to disassemble the very first step to find their intended home, relying purely on intuition to guide me. Thank you for the journey. I am a better human being as a result. I can only envy those lucky people in the future who will go though the same process of growth as I will never be able to have the experience again.
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Best bar cart everrrr!!!
Color: Gold, Size: 26"W
ITS PERFECT AND SO CUTE!!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Easy assembly and looks good
Color: Black, Size: 33.9"W, Color: Black, Size: 33.9"W
This was the easiest product I've ever put together!!! I put it together by myself in an about a hour and I'm not a super handy girl usually. So far everything seems sturdy and it looks great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
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