Find the exact Engine Management System tailored to your vehicle, wiring architecture, cylinder count, and performance goals.
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What best describes your current project?
Select the situation that matches your vehicle setup to receive instant recommendations, compatibility checks, and buying advice.
1. Direct Factory Plug-in
"I have a car that I want to change the ECU on, but I want to connect directly to the factory harness."
No cutting or custom wiring required. Check our database of 63+ direct Plug-and-Play (PNP) ECUs for Honda, BMW, Ford, Toyota, Mitsubishi, Mazda, Nissan, and more.
Check PNP Availability
2. New Engine Harness / Rewire
"I have a car that I'm rewiring and making a new engine harness."
Building a clean standalone engine harness from scratch. Match the right universal ECU based on your cylinder count, ignition method, and auxiliary requirements.
Configure Universal Standalone
3. Engine Swap Project
"I'm swapping the engine on my car to a new one."
Dropping a K-Series, LS, 2JZ, SR20, or Coyote into a custom chassis. Select the right standalone architecture to control your swap, cluster, and sensors seamlessly.
Select Engine Swap ECU
4. Economical / Budget Builds
"I'm strapped for cash and I'm looking for the most economical solution available."
Compare our entry-level champions: Iron ($349), Copper ($449), and Bronze ($499). Detailed breakdown of wasted spark, distributor, and connector features.
Compare Budget Options
1Select Your Vehicle & Factory Engine
Search or choose your vehicle manufacturer and model below to check availability for your factory wiring harness.
Don't see your specific car or engine listed?
We can still run your engine! You can use one of our universal standalones (Silver, Gold, Copper, Bronze) with a custom wire-in harness or patch adapter.
2Custom Engine Harness & Standalone Selector
When building a new engine harness from scratch, choose your cylinder count and powertrain requirements below:
3Engine Swap Project Advisor
Swapping an engine into a new chassis requires reliable standalone control, sensor adaptation, and cluster integration:
4Budget Champions: Iron vs. Copper vs. Bronze
Looking for the most cost-effective solution without compromising performance? Review the key hardware differences and capabilities below to select the right fit for your budget:
Ultra-Budget
AlphaECU Iron
$349 MSRP
⚠️ Output Architecture Reminder: Iron has 2 outputs. Therefore, 4-cylinder engines run in wasted spark (and semi-sequential/batch injection). Anything larger than 4 cylinders (6 or 8 cylinders) must be distributed using a mechanical distributor.
✅ Expanded 4-Channel Control: Copper features 4 full cylinder support (4 injector & 4 ignition outputs), enabling true sequential fuel & spark on 4-cylinders and supporting up to V8 sequential fuel with distributor or wasted spark coil pairs.
Fuel / Spark Outputs
4 Injector / 4 Ignition
Connector Type
Molex Connectors
Cylinder Support
4-Cyl Full Sequential / up to V8
Key Features / Drivers
Boost Control Solenoid, Launch Control, VR/Hall
Typical Use Case
Full sequential 4-cylinder street/drag builds, budget V8 swaps
🌟 Exclusive Internal Jumper Feature: Bronze features automotive Superseal 24-pin connectors, up to 6 injector & 4 ignition outputs. Only on Bronze can the ignition outputs be configured to drive directly to ground with an internal jumper!
Fuel / Spark Outputs
Up to 6 Injector / 4 Ignition
Connector Type
Automotive Superseal 24-Pin (Waterproof)
Key Features / Drivers
Internal Jumper Configurable (5V Logic or Ground-Drive)
Special Hardware
Physical Dual-Map Switch, Launch, Boost Control
Typical Use Case
Rally, harsh environments, 6-cyl semi-sequential, 4-cyl sequential with dual maps