SKU: 17256515405

EFI Terminator X Stealth 4150 - Black - 8 Injectors - supports up to 1250hp (Forced Induction)

Sale price$1192.47 Regular price$1324.97
Save 10%

Pay in installments of $331.24 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

EFI Terminator X Stealth 4150 - Black - 8 Injectors - supports up to 1250hp (Forced Induction)Holley EFI Terminator X Stealth 4150 Black 8 Injectors 800 1500 HP Overview The Terminator X Stealth 4150 1250HP 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 Terminator X 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

Holley EFI Terminator X Stealth 4150 - Black

8 Injectors - 800-1500 HP

Overview
The Terminator X Stealth 4150 1250HP 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 Terminator X 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? Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1014, 550-1015, 550-1016)

Features:
  • Bolt on 4150 Flange Carburetor Replacement
  • Contains 8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 1250 HP on forced induction applications
  • Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1014, 550-1015,550-1016)
  • Internal 1bar MAP sensor, built into the Terminator X ECU.
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation
  • Timed spark port for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
  • Integrated ignition timing control improves idle stability, fuel economy, and wide open throttle performance
  • 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
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn
  • OEM Style TPS/IAC for years of dependable service
  • Available in 3 finishes: Shiny, Black, and Gold


Details:
  • Color: Black
  • Ignition Type: Universal
  • Injector Size: 100 lb/hr @ 58.5 PSI
  • Max Horsepower Rating: 1250 Forced Induction
  • Max Horsepower Rating: 650 Naturally Aspirated
  • Terminator LS Options: Fuel, Spark


Links
Instruction Sheet
Parts Guide
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 17256515405

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 10 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
Daisy l.
Omaha, US
★★★★★ 5
Doesn’t squeak but the dogs still love them
Our doggies love them!! Very durable! They do not squeak though
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
S
Verified Purchase
SES
Lowell, US
★★★★★ 5
10/10 for my dogs
Color: A.Orange+Blue+Green
super bouncy and fun for my dogs! they love playing with and tossing them around! hard to see in the water tho!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
A
Verified Purchase
Amazon Customer
Cuba, US
★★★★★ 4
Lightweight Balls
Color: A.Orange+Blue+Green
lightweight but solid. Unfortunately, I can't bring to dog park for my dog to play with as the larger dogs will destroy them. Not for dogs that chew through everything.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
D
Verified Purchase
Dsmorgan
Louisville, US
★★★★★ 5
Fun ball
It doesn’t last a whole long time, but she loves it! It’s crazy and it drives her playfulness crazy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
M
Verified Purchase
Manmomma
West Palm Beach, US
★★★★★ 2
No squeak balls
Color: A.Green+Orange
They don’t squeak. They bounce much either.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026

recommand products