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Description
2 EFI - Black - Base Kit - With PDM - 3.5 in. HandheldHolley Sniper 2 EFI Black Return Style Drop In Module With PDM 3. 5 in. Handheld Overview The #1 EFI conversion system just got better! Introducing Sniper 2 EFI a self tuning, easy to install, EFI conversion for common 4 barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI
Holley Sniper 2 EFI - BlackReturn Style Drop-In Module - With PDM - 3.5 in. Handheld
Overview
The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to work with the Sniper Ecosystem that includes Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more. New for Sniper 2 is the optional Power Distribution Module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition wiring into one, easy-to-use location. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12-volt source is all that's required from your vehicle to power the PDM and your Sniper EFI. Make your classic drive like a modern fuel-injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley's comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required. If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.
Nitrous Control Not Supported In Sniper 2 EFI Software
Features:
- Main Features
- All new design ???? the #1 EFI Conversion just got better!
- Only four wiring connections required: Battery+, Battery-, Switched Ignition, and RPM
- Calibration wizard only requires that you answer a few simple questions about your engine to create a base map and begin self-tuning ???? No laptop required
- Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
- (NEW) Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
- (NEW) Redesigned throttle shaft and plate geometry for a smoother throttle feel
- Sniper 2 is Part of the Sniper EFI Complete Ecosystem
- Sniper 2 is compatible with the complete Sniper EFI Ecosystem that includes plug-n-play Hyperspark Ignition systems (coil, ignition box and distributor), fuel systems (fuel lines, fuel pump hangers), multiple displays and more
- (NEW) Main harness includes plug-and-play HyperSpark distributor support, for integrated timing control, making your ignition setup hassle free
- (NEW) Adaptors for other ignition types sold separately: 558-329 CD Box to Sniper 2, 558-330 MSD Pro Billet / Crank Trigger to Sniper 2
- (NEW) Wide Variety of tuning and gauge display interfaces: from a 3.5-inch full color LCD Handheld, 5-inch Digital Dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2
- (NEW) Optional Power Distribution Module (PDM) further simplifies wiring, especially when used in conjunction with an ignition system
- Available with fuel system kits: a complete fuel system consisting of: 20 ft. of 3/8 in. Vapor Guard Fuel Hose, Fuel Pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
- Additional Features
- (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
- (NEW) Hidden Harness??? wiring harnesses exits from the rear of throttle body for a clean appearance
- (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
- (NEW) Redesigned injector connector for improved reliability
- (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
- (NEW) Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection
- (NEW) Cast-in fuel crossover from the primary to secondary fuel rail
- (NEW) Sniper 2 throttle bodies are serialized in house, which provides each unit a birth certificate for an improved customer service and warranty experience in the event of any unit needing to be inspected
- The included genuine Bosch LSU 4.9 wideband oxygen Sensor provides real-time fuel map learning
- 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
- Patent Pending
Details:
- CFM: 800
- Coast Guard Approved: No
- Finish: Black
- Flange Style: 4150
- Fuel Pressure: 58.5 PSI
- Fuel System: Not Included
- 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: 650 Naturally Aspirated
- Model: 4150 EFI Conversion Throttle Body
- PDM: Yes
- Power Distribution Module: Yes
- Transmission: All
- User Interface: 3.5 in Handheld
Links
Sniper 2 Quickstart Guide
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
4.1 ★★★★★
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Product Reviews
★★★★★ 5
Great stuff!
I love this stuff. Its effect is subtle, but it's there. Takes about 45 minutes to an hour to take effect, but for me, the energy is constant without jitters.
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Reviewed in the United States on March 7, 2026
★★★★★ 4
Energy and Focus - Works for me but…
Gives me energy and a bit more focus when I feel I need it. Love that i only need one capsule. What I don’t love is the price has gone up $10, from 20 to $30. I do have these on auto shipment, so I am saving a few bucks, but I’m not sure how long if the price keeps increasing. Update: I can really feel the difference when I don’t take my Focus n Energy. I usually keep one bottle on standby, after that was gone, so was my energy and coffee is (NOT) getting it. I love that it has natural ingredients that I can feel working. I’m Renewing my subscription!
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Reviewed in the United States on August 8, 2023
★★★★★ 5
Good, Sustained Energy That Works Better Than Others on the Market
I have never had good luck with Ginseng. I've relied over the years on increasing my caffeine dosages. It got to a point where caffeine in any form wasn't giving me the energy boost I had been accustomed to. I knew at that point I needed to change course and try something different.
I had read reviews about this supplement and looked into the ingredients. I will say that I am not a fan of proprietary blends. That said, the types of ingredients and then the "oxygen" blend was very appealing to me. It was a combination that was unique and one I had not even come close to trying in any combined form in the past. Best of all, it worked well for me.
If you're looking to gain energy and focus naturally, this is a formula you need to try. It's a unique mix of ingredients that work together to give me the energy, focus, and motivation I need to get through my day. I highly recommend this energy and focus supplement.
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Reviewed in the United States on October 16, 2021
★★★★★ 3
pretty awesome stuff
it taste like grass but it keeps me awake while I am driving all day
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Reviewed in the United States on January 25, 2025
★★★★★ 1
Sleepless nights - do not reco
My typical energy and focus supplement was sold out so I tried this. I felt even more tired that usual, and I had multiple sleepless nights which I’m usually a great sleeper. I stopped taking it and the sleep issues are gone. Then I read the reviews and seems like a lot of people have a tough reaction. I think it’s so delayed in response that I take it in the morning and it activates too late in the day. FINALLY able to function enough today to write this review! I recommend nutrilife Focus and Energy. More expensive but well worth it!
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Reviewed in the United States on August 15, 2025