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Description
Holley Sniper 550-858K Master EFI 1971-86 Jeep CJ 258 6 cylinder Fuel InjectionOverview: Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! This master kit
Overview:
Introducing the Sniper EFI BBD Master Kit, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or weekend cruiser. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! This master kit includes 20" of fuel hose, two filters, one high pressure EFI fuel pump, and all of the required fittings for a complete EFI fuel system conversion!
Features:
- Bolt on BBD Carburetor Replacement
- Engineered specifically for 1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines
- Throttle body mounted ECU - no extra boxes to mount
- Supports up to 350HP with Two 100lb/hr Injectors
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- Includes complete fuel system consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
- 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 TPS/IAC and Fuel Pressure regulator, for years of dependable service.
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1979 - 1986 | Jeep | CJ7 | 258/4.2L L6 | |
| 1981 - 1985 | Jeep | Scrambler | 258/4.2L L6 | |
| 1979 - 1983 | Jeep | CJ5 | 258/4.2L L6 |
Specs:
| Brand | Holley Sniper EFI |
|---|---|
| Emission Code | 3 |
| Finish | Shiny |
| Fuel Pressure | 58.5 PSI |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 9/16-18 Female O-Ring (AN 6) |
| Product Type | BBD EFI |
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
4.8 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Love it. Its Great
Color: White
The HTVRONT Auto Tumbler Heat Press Machine is a specialized tool designed for sublimation projects, particularly for customizing tumblers, mugs, and other cylindrical items ranging from 10 to 30 ounces. It's an excellent choice for both hobbyists and small business owners looking to streamline their crafting process.
🔧 Key Features
Automatic Pressure Application: The machine automatically adjusts pressure based on the diameter of the item, ensuring consistent results without manual adjustments.
The How-To Home
Temperature and Timer Control: Offers a temperature range up to 390°F (200°C) and includes a timer function, allowing for precise control over the sublimation process.
Safety Features: Equipped with an emergency stop button and an auto shut-off feature after 15 minutes of inactivity, enhancing user safety.
Compact Design: Measures approximately 13 x 11 x 6.3 inches and weighs around 9.5 lbs, making it suitable for home studios or small workspaces.
Happiness is Homemade
Compatibility: Designed to accommodate items with a diameter of 2.95 to 3.35 inches, covering a wide range of tumbler and mug sizes.
🧠 Final Thoughts
The HTVRONT Auto Tumbler Heat Press Machine offers a blend of automation, safety, and versatility, making it a valuable addition to any crafting setup. Its user-friendly features and compact design cater to both beginners and experienced crafters, ensuring high-quality sublimation results.
Sources
Absolutely Love This Tumbler Press!
I’ve been using the HTVRONT Auto Tumbler Heat Press Machine for a few weeks now, and it has completely exceeded my expectations. The machine is incredibly easy to use—just set your temperature and timer, and it does all the hard work for you. I love that it automatically adjusts the pressure based on the tumbler size, which has saved me so much time and effort! The results are flawless every time. I’ve used it for several sublimation projects, and the colors come out vibrant and crisp. Plus, the safety features like the auto shut-off give me peace of mind while working. The compact design also fits perfectly in my small crafting space. I highly recommend this press to anyone looking to level up their sublimation game!
Durability is Great.
No smell
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Reviewed in the United States on April 23, 2025
★★★★★ 4
So far, So good
Color: Blue
I have printed about 18 tumblers since purchasing this, all came out beautifully. It was delivered is great condition and is very easy to use. Just plug it in, set temperature and get your work started. No complaints thus far.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Great machine
Color: Blue
Love my press I have other presses and conventional ovens to sublimate, and this is by far a wonderful machine added to my craft room
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Reviewed in the United States on June 9, 2026
★★★★★ 5
The best cup presses I’ve ever purchased!!
Color: White
I am a seasoned cup maker and this is the best cup Press I’ve ever purchased. I cannot wait to buy more from HTVront.
It is an automatic press, which means you press the button and it goes. On its automatic timer, it releases the cup and you don’t have to worry about over. You can still burn a cup if you don’t take it out in time so keep that in mind, but it is. I love the white appearance, and the performance is unmatched. What I really love about this press is that it is not loud with some of the other cup presses I’ve used when the timer goes off. It is a very annoying beep. This one beeps one time and automatically releases your cup. Sure, of course there is a smell with any sublimation that just happens, but it isn’t really that noticeable. I got a coupon, but I’m not affiliated or get paid for. So if you need a new cut, I suggest waiting till there’s a coupon for this. Just save a little bit of extra money, but you will not regret this purchase I promise.
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Reviewed in the United States on August 20, 2024
★★★★★ 5
Perfect for your Sublimation Needs
Color: BCMY
If you're into sublimation printing—whether as a hobby or a small business—the Hiipoo Sublimation Ink Refill Bottles are a must-have. This ink performs exceptionally well with a variety of Epson inkjet printers (like the WF-7710, ET-2760, ET-2720, ET-15000, C88, C88+, etc.) and delivers consistently vibrant, professional-looking results across different substrates. The color vibrancy is outstanding. Blacks are deep and rich, and the cyan, magenta, and yellow are true-to-shade. The ink produces clean, detailed images on all kinds of sublimation blanks—from mugs and T-shirts to mousepads and phone cases. Whether you’re pressing on polyester fabrics or coated surfaces, the prints come out sharp and vivid. The bottles are designed for easy refilling, especially with EcoTank models—they fit well and fill smoothly with little to no mess. For other compatible Epson models like the WF series, the process takes a bit more care, but it’s still user-friendly.
This ink has worked flawlessly with heat press transfers on a variety of materials. Once heat-pressed, the colors stay strong—no bleeding, fading, or smudging.The sublimation transfers hold up very well over time. After several washes (for shirts and fabric items), the prints remain intact and bright. It’s also a plus that the ink doesn’t clog the print heads if used regularly and maintained properly. Hiipoo Sublimation Ink is a top-tier choice for both beginners and experienced crafters. It’s affordable, reliable, and produces beautiful results across a wide range of sublimation projects. Whether you’re customizing T-shirts, mugs, or phone cases, this ink brings your designs to life.
Rating: 5/5 – Excellent performance, vibrant colors, and professional results. Highly recommended.
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Reviewed in the United States on June 6, 2025