Holley Sniper EFI 2300 Self-Tuning Master Kit - Black
Sorry, it's out of stock.
But we can let you know when it's back in.
Couldn't load pickup availability
- Secure Checkout
- Warranty Backed
- Genuine Parts
550-850K
90127021293
Holley Sniper EFI 2300 Self-Tuning Master Kit - Black
Supports Up To 350 HP - 3.5 in. Handheld Monitor - Returnless Fuel System
Overview
Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more. A Sniper kit is the #1 way to upgrade your classic to fuel injection in a cost-efficient way with just 4 simple connections required. After a simple installation designed to be completed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos, you'll be enjoying better engine performance, improved miles per gallon and easier starting. This kit supports up to 350 Horsepower Naturally Aspirated and 285 Horsepower on Forced Induction setups with 2 x 100 Lb/Hr Injectors. You don't have to be a tuning genius or computer wiz to convert your build to EFI. Our simple calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. The Sniper EFI Master Kit comes with an included fuel system that places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle-free as possible, simply cap the regulator on the Sniper EFI throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished. Now that you're beginning your EFI journey, you don't have to stop here! Sniper is apart of a complete ecosystem designed specifically to work together and support all of your EFI needs. This kit pair's seamlessly together with plug-n-play Hyperspark Ignition systems (coil, ignition box and distributors), fuel system's (fuel pump kits, modules, in-tank systems), air cleaners digital dashes to unlock the full potential of your build.
Ford transmissions may require Part Number 20-60 Ford Transmission Kickdown Spring Bracket kit.
Features:
- Bolt on 2300 Flange Carburetor Replacement
- Self-tuning ECU means you don??????t have to be a computer/tuning wiz to have EFI!
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition RPM)
- 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!
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Supports up to 350HP with Two 100lb/hr Injectors
- Equipped with C4 / C6 Ford transmission kickdown lever as well as TH350, 400 and 700R4 provisions
- Accepts many common 5 1/8??? OEM or aftermarket air cleaner assemblies
- Throttle body mounted ECU ???? no extra boxes to mount
- Integrated ignition timing control
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- 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
- Sniper EFI Software free to download which allows for realtime tuning
- Printable throttle body flange template included
- Patent Pending
Details:
- CFM: 580
- Finish: Black
- Flange Style: 2300
- Fuel Pressure: 58.5 PSI
- 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: 350 Naturally Aspirated
- Transmission: 700R4/200R4
- Transmission: Ford C4/C6
- Transmission: TH350
Links
Instruction Sheet
Shipping
Shipping
All in-stock items are shipped on the first available business day. Most orders ship on the same or following business day.
Out of stock items are shipped as soon as they're available. Many items are built to order. Those items will have an average lead time on the product page.
All items on our website ship for free. However, a restocking fee equal to the shipping charges incurred by us, the seller will apply to all new condition items returned due to a customer changing their mind.
High value items will require a signature on delivery for your purchase protection. We will only ship to the verified billing address provided with the order.
Returns
Returns
What items are returnable?(eligible for returns)
- 30-day return policy, which means you have 30 days after receiving your item to request a return.
- In unused and resellable items, or defective items.
- In the original packaging with all the tags intact.
What items and exceptions are non-refundable?
- Digital Items like Tuning Credits for HP Tuners
- Gift cards.
- Discounted items (if applicable).
Damage, loss, or theft issues
- If the purchased product is faulty, reach out to us within 7 days of the delivered date.
- If the purchased product is loss, or theft, Please collect evidence and contact us immediately.
Refund solutions
- Refund to original payment method.
- Refund to your shopify store credit.
Refund policy
The Tuner Store accepts returns on new products within 30 days from the date of delivery. Items must be received in their original packaging material and in a new status. Used products or customer damaged products will not be accepted.
The Tuner Store reserves the right to apply a restocking fee to all returns. The purpose of this fee is to recover operational costs related to the purchase and the customer changing their mind.
When returns are the result of the manufacturer defect as determined by The Tuner Store, the return will not be subject to the above restocking fee.
How soon will I get my refund?
- After your return has been processed, you will receive a refund notice from us and it will take an additional 1-3 business days for the refund to be returned to your original payment method. The refund to the store credit is immediate.
- If more than 5 business days have passed since we’ve approved your return, please contact us at service@tunerstore.com.
Got a question?
Shipping Notice
Some oversized, heavy, or specialty items may incur additional shipping charges based on your delivery location. If this applies to your order, our team will contact you after checkout with the updated cost. Orders will not ship until additional charges are confirmed and paid.

Shopping Safely
At Revline Performance, we prioritize your safety and security. Here's how we ensure a secure shopping experience:
1. Secure Transactions: We use advanced encryption to protect your personal and payment information, ensuring it is safely transmitted and safeguarded.
2. Trusted Payment Gateways: Our store integrates with trusted payment gateways, ensuring your transactions are processed securely and efficiently.
3. Data Privacy: Your privacy is our top priority. We follow strict data protection policies to keep your personal information confidential and secure.
4. Secure Platform: Shopify provides robust security features and continuous monitoring against vulnerabilities, ensuring a safe shopping environment.
5. Verified Merchants: We are a verified merchant on Shopify, committed to providing authentic and high-quality products.
6. Transparent Policies: Our clear return, refund, and shipping policies provide peace of mind, knowing we stand behind our products.
7. Customer Support: Our dedicated customer support team is ready to assist with any concerns or questions you may have.
Shop confidently at our Revline Performance, where your safety and satisfaction are our top priorities.
$1,549.95
-
FAST SHIPPINGOn thousands of in-stock parts
-
EXPERT SUPPORTReal enthusiasts, real answers
-
AUTHORIZED DEALERSGenuine brands, direct from source
The Tuner Store
-
Curated from trusted manufacturers
30,000+ Performance Parts
-
Shipped directly from verified suppliers
99% Order Accuracy
-
Driven by real enthusiasts
4.9★ Customer Rating