Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$2,471.99
Holley 550-440K Terminator Stealth EFI Master Kit, Shiny
Holley 550-440K Terminator Stealth EFI Master Kit, Shiny

Holley 550-440K Terminator Stealth EFI Master Kit, Shiny

Universal Fit, 950 CFM CFM, 80Lb/Hr @ 43PSI Injector Size, Polished

0 Reviews | 1 Answered Question
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Holley 550-440K Terminator Stealth EFI Master Kit, Shiny
Holley 550-440K Terminator Stealth EFI Master Kit, Shiny
Zoomed In Image
We estimate this item will ship on or before August 21st.
Part # 425550440K
$2,471.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Sold in Quantity:
Each
GTIN Code:
090127732885
MFG. Part #:
550-440K
CFM:
950 CFM
Injector Size:
80Lb/Hr @ 43PSI
Intake Finish:
Polished

Info

Have you been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the benefits of EFI and maintain the traditional looks of a carburetor. Holley’s Terminator Stealth EFI systems have the same great self-tuning features of our Terminator EFI in a new stealthy package!

  • Easy to install
  • No computer experience required
  • Handheld tuner included
  • Simple multiple choice set-up wizard
  • Self-tunes while you drive
  • Upgradable to complete laptop control without buying another ECU
  • Carburetor replacement EFI from the fuel systems experts!

Features:

  • Carburetor looks with the drivability of EFI
  • Trouble-free performance with today’s fuels - put an end to vapor lock and fuel varnish problems!
  • Fits V8 engines from 250-600 horsepower
  • 4150 style 4BBL mounting flange - Bolts on in place of carburetor
  • Available in Polished, Classic Gold and Hard Core Gray™ finishes. A classic carburetor finish coming soon!
  • Fully self-tuning ECU - No laptop required
  • Includes full color, 3.5” touch screen LCD for both basic and advanced tuning options
  • Timing control option for GM Small Cap HEI and Ford TFI distributors
  • Connections for Ford, GM TH350, 700R4 and other transmission linkages
  • Optional free software upgrade for full laptop control
  • Easy plug and play harnesses with minimal connections
  • Virtually maintenance free - keeps your vehicle reliable and ready to drive
  • Master Kits include complete fuel system: fuel pump, filters, 40ft of hose (feed and return), billet regulatro and all fittings including fuel tank return line bulkhead fitting

Installation Instructions

Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Videos & Articles
  • Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.
  • After installing the intake manifold and carbs on his 8BA, Heath P. continues on to the fuel and throttle setup. See how he mounts each part while making modifications to complete the install.

You May Also Like

Suggestions
Error
Note
Ok