Unleash Precision Performance
Advanced engine management systems engineered for power, reliability, and full control—on the street, strip, or track.



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Engine Control Units
deployed worldwide in performance builds, race cars, and conversions.
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System Integrity
Delivering reliability, support & tuning flexibility.
FEATURES
The Best Choice for Hassle-Free Car Tuning Experience
Smarter Tuning Starts Here
At Spitronics, we don’t just build ECUs—we engineer intelligent control systems that give you the confidence to push performance to the edge. Whether you’re running a street car, competition build, off-road rig, or custom hybrid, our modular and programmable systems are designed to adapt to your needs.
With support for fuel injection, ignition timing, boost control, transmission shifts, and more, our ECUs and TCUs offer unmatched flexibility and reliability. Installation is simple, the tuning interface is intuitive, and real-time feedback keeps you in control of every parameter. Backed by years of motorsport-proven performance, Spitronics helps you transform your build from functional to phenomenal.
Fully Programmable Engine & Transmission Control
Tune engine and transmission settings with full control over fuel, ignition, boost, and shifting—right from your laptop or mobile.

Versatile Compatibility
Works with a wide range of engines, vehicles, and custom swaps—from daily drivers to race-ready monsters.

Seamless Integration & Setup
Simple wiring, smart firmware, and an easy-to-use interface mean you’re ready to tune and drive in no time.

PRODUCTS
Find the Perfect ECU for your needs
Product Comparison
Product Overview:
Feature | Details |
---|---|
Model | Mercury 3 ECU |
Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
Fuel Control | Sequential, semi-sequential, and batch fire |
Ignition Control | Individual coil, wasted spark, or distributor ignition |
Boost Control | Yes (PWM-based) |
VVT Control | Yes (up to 2 camshafts) |
Drive-by-Wire Support | No |
CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
MAP Sensor | Onboard 4 Bar MAP |
Wideband Lambda Support | Via external controller (0-5V analog input) |
Feature | Details |
---|---|
Launch Control | Yes |
Traction Control | Basic (via wheel speed input) |
Rev Limiter | Fuel cut and ignition cut available |
Data Logging | Internal logging via Spitronics software |
Tuning Software | Hyperspace ECU Manager |
Firmware Updates | Yes – via Bluetooth, USB, Serial |
Inputs/Outputs | Configurable I/Os – analog and digital |
Communication Ports | UART |
Application Suitability | Street, performance, off-road, marine |
Price Range | R3162 – R5065 |
Product Overview:
Feature | Details |
---|---|
Model | Mercury 3 ECU |
Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
Fuel Control | Sequential, semi-sequential, and batch fire |
Ignition Control | Individual coil, wasted spark, or distributor ignition |
Boost Control | Yes (PWM-based) |
VVT Control | Yes (up to 2 camshafts) |
Drive-by-Wire Support | No |
CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
MAP Sensor | Onboard 4 Bar MAP |
Wideband Lambda Support | Via external controller (0-5V analog input) |
Feature | Details |
---|---|
Model | Mercury 3 ECU |
Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
Fuel Control | Sequential, semi-sequential, and batch fire |
Ignition Control | Individual coil, wasted spark, or distributor ignition |
Boost Control | Yes (PWM-based) |
VVT Control | Yes (up to 2 camshafts) |
Drive-by-Wire Support | No |
CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
MAP Sensor | Onboard 4 Bar MAP |
Wideband Lambda Support | Via external controller (0-5V analog input) |
Years Experience

ABOUT US
Engineering Smarter Control Systems Since 2003
At Spitronics, we specialize in designing and manufacturing advanced aftermarket Engine and Transmission Control Units (ECUs & TCUs). Proudly South African, we offer cutting-edge solutions for tuners, builders, and enthusiasts looking for precision, performance, and reliability.
With over 20 years of hands-on experience, we’ve grown into a trusted name for those who demand complete control over their vehicle’s electronics—whether on the road, off-road, or track.
Performance & Precision
Our systems are engineered to deliver high-speed processing, real-time tuning, and robust safety features, ensuring maximum performance with ultimate stability.
Modular & Scalable Solutions
From DIY tuners to professional workshops, our modular design and versatile firmware make integration simple—regardless of the application.
Engine Control Units (ECUs)
Transmission Control Units (TCUs)
Unleash Performance. Engineered Precision for Tuned Machines.
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Custom Builds Tuned
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Countries Served
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