Holley Sniper 550-877 Super Sniper Stealth 4150 EFI, 1250HP Black

Description

The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Features:
Bolt-on 4150 Flange Carburetor Replacement. Throttle body mounted ECU – no extra boxes to mount. Supports up to 1250hp with Eight 100 Lb/Hr Injectors! Includes high-pressure fuel crossover line
Holley Sniper 550-877 Super Sniper Stealth 4150 EFI, 1250HP Black
Sku # 425550877
Mfr. Part # 550-877
Condition
New
Brand
Holley Sniper
Sold
Kit
Details
Info
The Super Sniper Stealth 4150 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
Features:
Bolt-on 4150 Flange Carburetor Replacement
Throttle body mounted ECU – no extra boxes to mount
Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
Includes high-pressure fuel crossover line
All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
Programmable inputs and outputs
Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
Six Programmable Ground Outputs
One +5v Reference Output - +5V Power Supply for 0-5v Sensors
One Sensor Ground – Ground supply for 0-5v Sensors
Air entry is machined to fit most stock-style air cleaners with air cleaner locator provisions.
Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as.
Integrated ignition timing control
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.
Available in 3 finishes: Shiny, Black and coming soon, Gold
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
Charts
(PDF)
(PDF)
(PDF)
This item is being shipped to you directly from the manufacturer and is subject to an increased handling time. Delivery estimates that include the handling time are displayed on the "Shipping and Payments" tab.
Specs
Sold in Quantity
Kit
Carburetor Flange Type
4-Barrel Square Bore
CFM
870 CFM
Injection Style
Throttle Body
Finish
Black
Metering Style
Speed density
Intake Manifold Included
No
Throttle Body Included
Yes
Distributor Included
No
Wiring Harness Included
Yes
EGR
No
Fuel Pump Included
No
Injectors Included
Yes
Fuel Rails Included
No
Calibration Module Included
Yes
TPS Sensor Included
Yes
IAC Motor Included
Yes
ECM Included
Yes
Fuel Pressure Regulator Included
No
MAP Sensor Included
Yes
IAT Sensor Included
Yes
Venturi Quantity
4
Self Tuning
Yes
Throttle Body Material
Cast Aluminum
User Tunable
Yes
Injector Size
100 lbs./hr.
Throttle Body Finish
Black
Use with Power Adder
Yes
Max Horsepower Rating
1250
MFG. Part #
550-877
Shipping
Combined Shipping:
Please take advantage of the “add to cart” button on each listing to get everything in your cart prior to completing checkout. This will ensure you receive a combined shipping rate on your entire order.
Freight Shipping:
Some products are too large for standard ground delivery and must be shipped via truck freight.
Please contact us via eBay Message for a freight shipping estimate.
When possible, please provide a business or commercial address for delivery to eliminate additional fees.
Please ensure the phone number provided is accurate to avoid delays.
Upon delivery, the recipient must inspect the shipment before the driver leaves as there may be concealed damage; please open the carton to inspect the contents. Any visual damage must be noted on the shipping document BEFORE signing for delivery. Any damage not noted before signing for delivery is the buyer’s responsibility. If damage is found, the shipment may be refused, but please contact us as soon as possible and arrangements will be made to have the product replaced and damaged parts returned.
Tech Support
We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help.
About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
Return Policy
We want you to be satisfied with your purchase. If within 60 days after you receive your shipment and you are not satisfied, you may return the item for a refund. Refunds will be processed (1-2) days after the item is received by Speedway. All returned merchandise must be in original factory condition with no modifications or alterations. A restocking fee up to 15% may be applied if items are not in new condition.
Returned merchandise must include all packaging materials, warranty cards, manuals, and accessories. If the items being returned need to be repackaged, there will be a repacking charge. Repack the item in a sturdy box, include a copy of your invoice and complete the form on the back of the invoice. You must ship orders back PREPAID. WE DO NOT ACCEPT COD SHIPMENTS.
All fiberglass items returned will be subject to a 15% restocking charge. No returns on electrical parts, DVDs, and books unless they are defective. Absolutely no returns on special order or closeout merchandise.
Payment
Accepted Payment Methods - PayPal and major credit cards are accepted.
Terms - Immediate payment is required on all listings.
To view states in which sales tax will apply to your order, please visit the “shipping and payments” tab.
Guarantee
Speedway accepts full responsibility for the accuracy of our listings and product representation. If an egregious shipping or description error occurs, we are happy to assist with a replacement or refund.
Disclaimer
Due to our large inventory and the diversity of our product line, the stock photo used may not be an exact representation of the item you are bidding on. Please read all product information carefully before purchase to avoid any order issues.