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Description
Holley EFI Terminator X Stealth 2x4 4500 Kit - BlackHolley EFI Terminator X Stealth 2x4 4500 Kit Black 8 Injectors 800 1500 HP Overview The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB HR Fuel Injectors capable of supporting up to 1500 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! Designed to fit
Holley EFI Terminator X Stealth 2x4 4500 Kit - Black8 Injectors - 800-1500 HP
Overview
The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 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! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car!
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:
- Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds
- Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
- 2.125??? Throttle Plates, Flow 1440 CFM each for large cubic inch engines
- Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options
- External fuel pressure regulator required, such as 12-848
- Throttle Linkage not included
- Each throttle body contains 4x 100lb/hr fuel injectors
- Universal engine harness allows you to easily install the Terminator X 2x4 4500 system on a wide variety of engine combinations
- Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
- 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 real-time Fuel Map Learn!
- Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
- Plug and play with Holley EFI Accessories, such as the 12.3??? and 6.86??? Pro Dash; CAN EGT; and Digital Analog style EFI gauges
- Available in 2 finishes, Shiny and Black
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: 1bar
- Max Horsepower Rating: 1250 Forced Induction
- Max Horsepower Rating: 1500 Naturally Aspirated
- Throttle Bore: 2.125 inch
Links
Instruction Sheet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Very well made and sturdy
Color: Carrot Orange
This toy isn’t quite indestructible but it is very sturdy and so far I’m pleased. I have a 5 month old who is a chewer and she has destroyed toys at a fast pace. It’s just the right size and weight for her to toss around, and I have thrown it in the washer inside a mesh bag once already. The fabric is soft, yet very strong. The only casualty to it was an ear. One had to be cut off once she had it partially chewed off. That’s a win in my book!
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Reviewed in the United States on April 30, 2026
★★★★★ 1
“Indestructible”? Not even close.
Color: Carrot Orange, Color: Carrot Orange
I bought this because it was advertised for large aggressive chewers and claimed to be indestructible. Unfortunately, that couldn’t be further from the truth.
My dog destroyed this toy in about two minutes. Seriously. It took me longer to get it out of the Amazon packaging and the manufacturer’s box than it did for my dog to rip it open. Once he got going, the seams popped and stuffing was everywhere.
Then I got the joy of cleaning up the mess, which took longer than the toy lasted.
If your dog is actually a strong chewer, this toy probably won’t survive very long. I wish I could recommend it, but honestly it just didn’t hold up at all.
Save your money and keep looking
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Reviewed in the United States on March 12, 2026
★★★★★ 5
UPDATE TO MY REVIEW / It's NOT indestructible!
Color: Carrot Orange
UPDATE: I stand by my review for the original "Plush Toy". BUT ... the seller contacted me and offered to help, because they don't want their customers to be unhappy with their products. I described the problem, and they said they'd contact their supplier to correct things. AND ... they offered to send another dog toy that actually was indestructible.
My dog, a Border Collie - Retriever mix, loved the replacement they sent, an Orange Peanut. (He even took it to bed the first night.) This was much appreciated. But what I most appreciated was their Customer Service and Care. They don't just say they want their customers to be happy, they actually demonstrate it by their actions. This type of care is rare these days, and I commend them for it.
Notice I've changed my rating from 1-star to 5-stars, this is in recognition of their Customer Service. To me, this type of care is more important than any product.
So I now fully endorse this seller. If you have an issue with a product, just contact them (through Amazon), and they will do their utmost to make things right, and to make sure you're happy.
******************************************
I bought this because it was described as "Dog Plush Toy for Large Aggressive Chewers, Indestructible Dog Squeaky Toy" (from their listing on Amazon). My dog is a Golden Retriever mix, and he's only a "medium size aggressive chewer". And yet, this toy lasted 10 minutes at the most.
Very disappointing ... save yourself a "dog toy heartbreak".
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Reviewed in the United States on March 19, 2023
★★★★★ 3
Not indestructible however not terrible.
Color: Shocking Pink
Not indestructible however not terrible. My strong chewer had quickly devoured the plush stomach and eaten the squeaker. But the rope parts and rough face pieces are holding up well. Not a disaster.
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Reviewed in the United States on March 19, 2026
★★★★★ 4
Good toy but not indestructible
Color: Royal Blue
The toy is nice, but my dog killed it in about 30 minutes. The only reason I didn’t give it five stars is because it says indestructible Toy in the description. Other than that it is a nice chew toy.
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Reviewed in the United States on March 6, 2026
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