SKU: 44148102585

Holley EFI Terminator X Max Stealth 4150 - GM LS Engines 550-1064

Sale price$1327.47 Regular price$1474.97
Save 10%

Pay in installments of $368.74 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Holley EFI Terminator X Max Stealth 4150 - GM LS Engines 550-1064Black 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

Black - 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 Black
Crank Reluctor 58x
Datalogging Support Yes
Distributor Included No
Dry Nitrous Control Yes
e85 Support No
EGT Support Yes
Emission Code 3
Finish Black
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
Sale Category Air and Fuel Delivery
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: 44148102585

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 22 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Conrad M. Aumann II
Cuba, US
★★★★★ 5
Easy and effective
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Good price for good protection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
A
Verified Purchase
Amy carroll
Natrona Heights, US
★★★★★ 5
Best sunblock
Style: SPF 50 (Pack of 3), Size: 5.5 Fl Oz (Pack of 3)
One of my favorite sunblocks! Easy spray. Is very lite on the skin and doesn’t feel greasy. Don’t have to run in either! Works great, this is our go to for beach and pools days
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 4
Good value
Style: SPF 50 (Pack of 3), Size: 5.5 Fl Oz (Pack of 3)
Purchased this because it was a better value than I could get in the store. Sprays well without clogging and goes on smooth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
T
Verified Purchase
Tiffany Breaux
Massapequa, US
★★★★★ 5
Great product
Style: SPF 50 (Bundle Pack), Size: 5.99 Fl Oz (Pack of 2)
We use this on the kids when they’re out in the sun each day playing. This is a great sunblock. We absolutely love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
C
Verified Purchase
Caro
Battle Creek, US
★★★★★ 5
Works, and no residue!
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
I love that I can just use my FSA account to buy this. The sunscreen works well and does not irritate my kids sensitive skin. What I like the most is that it does not leave residue everywhere so I can do a quick spray on the kids every morning before daycare. I also spray my son's head because he has a very fair skin and does not wear a hat at daycare. It seems to be doing well by the pool too. Good value pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025

recommand products