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Description
2 EFI - Black - Base Kit - Without PDM - 3.5 in. HandheldHolley Sniper 2 EFI Black Return Style Drop In Module Without 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 - Without 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
- Power Distribution Module: No
- Transmission: All
- User Interface: 3.5 in Handheld
Links
Quickstart Guide
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 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Stunning Storytelling
Format: Kindle
Excellent. I read The Help on a whim all those years ago and was spellbound by the author's ability to weave a complex story across multiple narrators. When I'd heard that her second novel was coming out, I added it to my library wishlist as fast as I could. Then, the second I got word it was available, I couldn't help but immediately dive in... and, because her first novel made such an impression upon me, I had so much trust in the author's ability to deliver a story that I hadn't even bothered to read the blurb.
Going in blind into the Calamity Club was a discovery! I was charmed, entertained, amused, and once again, spellbound by Stockett's ability to shift between narrators. One, a somewhat sheltered but very bright and kindhearted woman Birdie. And the other, a charming and very intelligent 11-year-old seemingly orphaned girl, Meg. But beyond this, her ability to weave together a story featuring the fringes of society, giving people -- women, of various walks of life -- a voice in an era where women might have the vote, but are still subjected to a variety of society norms, laws, and double standards, is still very compelling.
I adored Meg, and I was so invested in seeing how things would turn out for her. And the strong female cast that Stockett features here only adds to the story's strengths.
Having read a few comments here on length, while I agree the story is a little long and the try-fail cycle of getting the underground business off the ground may feel pointless for some, it didn't bother me and only served to showcase the strength of the women. There were so many characters in this book that one could examine closer, from the aching pain of Rory's story to the quiet pain of the accidental loss of someone struggling with emotional struggles and alcoholism to the desperation of destitution, and the lengths one might go just to survive. There's so much within these pages to mine and consider, and I thoroughly enjoyed it.
My only critique is that I felt it ended so abruptly! I wanted just one further chapter, a glimpse of Meg's future...
Still: an excellent read, and the Acknowledgements/Author's Note on the research involved in this one was one that made me think about how far we've come... and the direction of where we might go in the future.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Un-Putdown-Able
Format: Kindle
Wonderful book! It’s intriguing, heartfelt and funny as hell. There may be a few loose ends they are too easily wrapped up but honestly, it doesn’t detract from the overall impact of the book.
I have to say that the story is enhanced by the Audible version, which is something I rarely say because I usually need to see the words in print. But the two readers of the book are superb and add a lot of depth to the characters. Honestly, if there’s a movie made of this book, I will probably be disappointed in the actors who portray the characters of Birdie and Meg because they won’t be as good as Jenna Lamia and January Lavoy who narrated this book for Audible.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Trying times in Oxford Mississippi in 1933
Format: Kindle
The Calamity Club features a cast of strong women and several weak men. The official charitable women are not charitable and the unofficial ones are courageous and are filled with good will. Stockett weaves a long tale of poverty, desperation, determination and sisterly love. Only two sets of sisters are blood related but those who are not, bond by working together for a common purpose.
Stockett serves up humor and pathos in equal measure with a dash or two of realism. Her character development makes The Calamity Club well worth reading
Like The Help, a screenplay should be forthcoming.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
So Good!
Format: Hardcover
Some parts of this are reminiscent of The Help, but it is a brand new story. Even though it appears to be a LONG book (650 pages), it goes fast and is hard to put down. The story takes place in Mississippi in the 1930's. 24 year old Birdie travels to see her married sister in Oxford for the purpose of getting some financial help for her family. Her sister Frances married into a seemingly wealthy family, which for reasons that soon become clear, has now fallen on hard times. Eleven year old Meg lives in an orphanage and is treated badly by the volunteers that staff it. If her mom isn't going to come back and get her, then she wants to be adopted as soon as possible, but most people want babies, not older children. Charlie turns up at the house where Birdie is staying with her sister's family. She's bright and helpful, but what's her real story? How are they all connected? This story is at times hilarious and at other times heartbreaking. It has its share of villains, but most of the characters are likeable and you want them to succeed. Just HOW they succeed is the heart of the book, and I won't tell you and spoil the surprise. This is well worth reading, though, and I strongly recommend it.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Outstanding book
Format: Kindle
I loved this book so much that I'm sad that I've finished it. The story is fascinating, the characters well developed and the themes were important and heart wrenching. This is definitely one of the best books I ever read. I can't summarize the story without spoilers and I would not want to deny you the opportunity to enjoy the unfolding of this beautiful story. This is a book I will not forget and I look forward to Kathryn Society's next wonderful book. She is a tremendous author. Thank you Kathryn for the gift of this book!
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Reviewed in the United States on May 31, 2026