Holley Terminator X Stealth 4150 EFI System - Engine Builder Magazine

Holley Terminator X Stealth 4150 EFI System

The Terminator X ECU features fuel maps that self-learn.

The Terminator X Stealth 4150 EFI system from Holley features four 100 LB/HR fuel injectors capable of supporting up to 650 horsepower naturally aspirated or 600 horsepower on forced-induction applications. The Terminator X ECU features fuel maps that self-learn and an integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle!

The Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications. Terminator X Max kits provide plug and play transmission control for GM 4L60 and 4L80 Transmissions. 

Click here to see Terminator X and X Max Stealth kits for the GM LS engines

You May Also Like

Carrillo Forged Pistons and Connecting Rods for Ford 7.3L Godzilla

These pistons are forged from 2618T aluminum alloy and machined on dedicated CNC machine cells to tight tolerances. 2618 aluminum has a lower silicon content than other alloys. That makes the pistons stronger and more ductile—perfect for high-load, high-stress applications like superchargers, turbochargers, or nitrous oxide.  Other features include:• Rated to handle up to 1,500

These pistons are forged from 2618T aluminum alloy and machined on dedicated CNC machine cells to tight tolerances. 2618 aluminum has a lower silicon content than other alloys. That makes the pistons stronger and more ductile—perfect for high-load, high-stress applications like superchargers, turbochargers, or nitrous oxide. 

Other features include:• Rated to handle up to 1,500 horsepower• -21.1cc dish with two valve reliefs• Lateral gas-ported to maintain tighter piston-to-bore clearances for better sealing• 10.5:1 compression on E85 with 1.338-inch compression height• .990-inch chromoly wristpins for use with wire locks• Choice of 4.225- or 4.250-inch bore sizes

Fluidampr Harmonic Damper from Summit Racing Equipment

The factory harmonic damper on your modern GM, Ford, or Mopar V8 are ‘tuned’ to absorb what’s called torsional vibration in the engine’s normal operating RPM range. Performance modifications, particularly ones that increase torque, produce added vibration in an RPM range that the elastomer damper wasn’t designed to handle. That vibration will accelerate component wear,

Elgin OE Replacement MLS Head Gaskets for Ford 6.7L Diesel Engines

Elgin Industries has introduced original equipment replacement multi-layer-steel head gaskets for 2011-2020 Ford 6.7L diesel engines. Related Articles – Turbosmart TS-1 Externally Wastegated Turbocharger – FuelTech FT600 EFI System – Trick Flow Specialties DHC 200 Aluminum Cylinder Heads The new gaskets – EHG-26661 (left) and EHG-26662 (right) – match the design, fitment and quality of

Starrett Introduces Easy-to-Use Precision Wireless Electronic Depth Gages

The L.S. Starrett Company, a leading global manufacturer of precision measuring tools and gages, metrology systems and more, has introduced three Wireless Electronic Depth Gages including the W640JZ, W643JZ, and W644JZ which are made in the U.S.A., part of a line of over 40 new electronic precision gages that Starrett recently introduced to the market.

PBM Rotating Assemblies

PBM rotating assemblies have a proven reputation of quality, durability and performance.

Other Posts

Holley Appoints Chief Product Officer; Establishes Vertical Market Focus for Growth

Holley Inc.–the Bowling Green, Kentucky-based consumer platform for automotive performance enthusiasts–is implementing a new organizational design to capitalize on growth opportunities across the company’s full brand and business portfolio. The strategic realignment establishes seven distinct market segments, with the goal of strengthening the company’s ability to serve the classic vehicle market while also expanding its

Holley Focuses on Accelerating Growth with New Market Segment Orientation

Holley Inc. is implementing a new organizational design to capitalize on growth opportunities across the company’s full brand and business portfolio. The strategic realignment establishes seven distinct market segments, further strengthening the company’s ability to serve the classic vehicle market while also expanding its focus on aftermarket solutions for newer model vehicles. Related Articles –

CHE Precision LS Series Rocker Arms

CHE found ways to improve the factory production rocker arms reliability.

Graymills’ SuperSonic Liftkleen Parts Washer

Unlike standard spray cabinet washers, immersion cleaning exposes all surfaces of the part, including blind holes and small crevices, to the cleaning solution.