SKU: 46440409885

Holley EFI Terminator X Max Stealth 4150 - GM LS Engines 550-1063

Sale price$1327.47 Regular price$1474.97
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Description

Holley EFI Terminator X Max Stealth 4150 - GM LS Engines 550-1063Shiny 58X Crank Trans Control 650 HP 3. 5 in. Touchscreen Features: Terminator X Stealth 4150 Kits for either 24x or 58x LS engines Supports up to 650HP with Four 100lb. hr. Injectors Terminator X Max kits provide plug and play Transmission control for GM Transmissions Internal 1bar MAP sensor, built into the Terminator X ECU. All of the wiring exits below the fuel injector bowls, for a completely stealth installation Air entry machined to fit most

Shiny - 58X Crank - Trans Control - 650 HP - 3.5 in. Touchscreen


Features:

  • Terminator X Stealth 4150 Kits for either 24x or 58x LS engines
  • Supports up to 650HP with Four 100lb./hr. Injectors
  • Terminator X Max kits provide plug and play Transmission control for GM Transmissions
  • Internal 1bar MAP sensor, built into the Terminator X ECU.
  • All of the wiring exits below the fuel injector bowls, for a completely stealth installation
  • Air entry 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 12-886
  • Integrated ignition timing control ?"Plug and play with factory LS coil sub harness and OEM LS coils ?" no external boxes/modules needed to run Coil Near Plug
  • 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!
  • Self-tuning ECU means you don?™t have to be a computer/tuning wiz to have EFI!
  • 4 Inputs ?" 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
  • 4 Outputs ?" Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
  • 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
  • Compatible with Holley EFI digital dashes, gauges and fuel system accessories

Specs:

Accelerometer Support Yes
Boost Control Yes
Brand Holley EFI
CAN-BUS Support Yes
CFM 950
Coil Per Cylinder Ignition Support Yes
Color Shiny
Crank Reluctor 58x
Datalogging Support Yes
Distributor Included No
Dry Nitrous Control Yes
e85 Support No
EGT Support Yes
Emission Code 3
Finish Shiny
Flange Size 4150
Flange Style Squarebore
Forced Induction Support Yes
Fuel Filter Included No
Fuel Hose Included No
Fuel Injectors Included Yes
Fuel Pressure 58.5 PSI
Fuel Pressure Regulator Included No
Grade Type Performance
Handheld Included Yes
Ignition Timing Control Yes
Ignition Type GM LS 58x
Individual Cylinder Fuel Corrections No
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 6AN
Intake Manifold Included No
Knock Retard Support Yes
MAP Sensor 1bar
Max Horsepower Rating 650
Multi-Stage Nitrous Control Yes
Product Type EFI System
Progressive Nitrous Control Yes
Self-Tuning Yes
Terminator LS Options Fuel, Spark, Transmission
Throttle Bore 1.75 in.
Throttle Position Sensor Included Yes
Transmission 4L60E/4L80E
User-Tuneable Yes
Warning California Proposition 65

Application:

Year Make Model Submodel
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: 46440409885

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4.1 ★★★★★
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RAWN001
Cuba, US
★★★★★ 5
My dog loves it
Size: 25in, Style: Sport
I am amazed at how far I can throw a tennis ball. My dog and I absolutely love this. What happens to work well with the squeaky balls?I get on amazon as well. I have one of these at home, And I keep another one in the truck. Very durable, The balls have good bounce, My dog and I have a lot of fun with it. My dog doesn't chew much on balls, But this one seems like it's going to stand out, I love the versatility, Hey can handle almost ending ball that same size. Are you solid rubber bouncy balls, Squeak. Ing tuba balls, Whiffle balls with all the holes in it, Even the squeaky chewing balls. As long as there are that same size. love the product. I've been using them for a few years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2024
B
Verified Purchase
brownie2009
Lexington, US
★★★★★ 5
Great dog birthday gift
Love it. Is it the best ball ever? No. I love it because my dog can find it if he lost track of it while I was poorly throwing the ball. Also, if it starta getting dark out and he has it in his mouth, I know exactly where he is. The glow is great! Pretty bright, changes colors, activatws after a hard bounce. Changing the battery is easy and just takes a screwdriver. Bounce is pretty good. Dog really likes it. He likes things that glow. It has held up so far, and one of the other dogs, who likes to destroy things, got ahold of it. He is working on not wrecking things, but I know he tried for a little bit and there has been no damage. The ball does have quite a bit of heft to it, so a small-ish dog isn't going to like the size or weight, likely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
L
Verified Purchase
Leo
Lowell, US
★★★★★ 5
Freaking works great !
Met and exceeded my expectations! It's very durable , it has become my dogs favorite ball, it is easily seen in the snow, and at night!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
P
Verified Purchase
P. Williams
Pawtucket, US
★★★★★ 5
A bit pricey, but then again, our new inflated economy
Nite Ize makes great products. I especially like the extended time the ball stays lit. Especially for those times the dog decides not to retrieve and you're searching the ground for the ball in the dark. It's heavy. Good for power chewers. Not a lot of bounce but then again the light function is the primary goal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
B
Verified Purchase
b erm
Bozeman, US
★★★★★ 1
Stopped working the 2nd day
I realize I am the minority. This ball has great reviews. So it has to just be my bad luck. But it worked great the 1st day. Had some problems with getting it to turn on the next day. After that it never came on again. I bought new batteries and put 2 new batteries in it. It still did not light up. Other than that, it’s great and seems durable. I just can’t get the lights to work on it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026

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