Holley Sniper EFI Stealth 4500 - Black

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$2,149.95

$2,149.95 ~~$2,418.95~~

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Holley Sniper EFI Stealth 4500 - Black

Holley Sniper EFI Stealth 4500 - Black

Supports Up To 1500HP - 3.5 in. Handheld Monitor - 8x100 LB/HR Injectors

Overview
Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Sniper, the #1 Fuel Injection Conversion system has you covered with the Stealth 4500. Featuring 8 100LB/HR Fuel Injectors this kit is the perfect option for any build looking to make between 800-1500HP. We have many Sniper options for builds going from mild to wild. This is the perfect set up for the more extreme build with multiple input and output options for sensor inputs and switched outputs to control external relays. 2.125" throttle plates, flows 1440 CFM for larger cubic inch engines. Included 2.5BAR Map sensor and programmable launch control via 2-step which can be triggered by the trans-brake input. Simplicity is what we strive for when it comes to everything related to EFI conversion! Sniper is designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. You don't have to be a computer wiz or tuning professional to run a sniper kit on your build. Our 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. Once you made your conversion to EFI, don't stop there! Sniper is an Ecosystem! This kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body Digital Dash to unlock the full potential of your build. For a full list of features benefits on what the Sniper Stealth 4500 has to offer, see below!

Not for use with engines producing less than 800 horsepower Gasoline Only Use of leaded race fuels may shorten the service life of the WBO2 sensor

Features:

Supports up to 1500HP Naturally Aspirated 1250HP Boosted!
Self-tuning ECU means you don??????t have to be a computer/tuning wiz to have EFI!
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
Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition RPM)
High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
Compatible with Draw through or Blow through forced induction applications
2.125??? Throttle Plates, Flow 1440 CFM for large cubic inch engines
2.5Bar MAP Sensor
Integrated ignition timing control
Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
-8AN Fuel Inlets
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn
Built-in Single Stage Wet or Dry progressive nitrous control
Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timi
One +5v Reference Output - +5V Power Supply for 0-5v Sensors, One Sensor Ground ???? Ground supply for 0-5v Sensors
Throttle body mounted ECU ???? no extra boxes to mount
Required external fuel pressure regulator, 12-848 is recommended
Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
User friendly Boost Control with handheld adjustability
Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
Real-time datalogging to the included 3.5??? Touch Screen, allows you to save information to the SD card without needing a communication cable
Programmable Target Air Fuel Ratios per Boost level
Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time
OEM Style TPS/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

Details:

CFM: 1440
Coast Guard Approved: Yes
Finish: Black
Flange Size: 4500
Flange Style: 4500
Fuel Pressure: 58.5 PSI
Injector Size: 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size: 8AN
MAP Sensor: 2.5Bar
Max Horsepower Rating: 1250 Forced Induction
Max Horsepower Rating: 1500 Naturally Aspirated
Throttle Bore: 2.125 inch

Links
Instruction Sheet
Quick Start Guide

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

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.

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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.