Total control in the palm of your hand.
The most compact programmable ECU we've ever built: 75 × 72 mm, 1 to 6 cylinders, a built-in 4 bar MAP sensor and tuning over USB-C with TunerStudio. Ready for your next build.
Black Friday: free shipping and a free STR T-shirt with your ECU
On every ECU, to any country.
Get the Tee ST Mini Launch free with your ECU. Choose your size in the cart.
Buy 2 ECUs and the lower-priced one gets 5% off. Works with any combination.
ECUs, harnesses, sensors and ignition parts designed to work together in your build.
1 to 6 cylinder programmable ECU with a built-in MAP sensor in 75 × 72 mm
8 colors
GM-style sensor with a known curve · connector included
Pencil coil with built-in igniter · ref. 06E 905 115 · per unit
Pencil coil with built-in igniter · ref. 30520-PNA-007 · per unit
With your Credix card, on any ECU: 3, 6 or 12 installments. ST Mini from $28.33 a month.
Watch the engine live, switch maps and time your runs with GPS, with no cables.
ST Mini, ST-02 and ST-04 · with the SpeedTech Bluetooth module · Android first, then iPhone
We design and build high-performance programmable ECUs in Costa Rica, at a fair price.
Good technology shouldn't be a luxury. Every SpeedTech ECU uses automotive-grade components, is tested before it ships and comes with a tech team that supports you from install to tune.
Every unit is built and tested here, piece by piece.
The world's most widely used tuning software, with base maps to get you running fast.
Direct help on WhatsApp before, during and after your install.
Real coverage against manufacturing defects, with spare parts available.
Proudly Costa Rican!
Made in Costa Rica for the world
From the new ST Mini to the touchscreen ST-100: choose by cylinder count, connections and build.
| Feature |
New
ST Mini |
ST-02 |
Best seller
ST-04 |
5" display
ST-100 |
|---|---|---|---|---|
| Price | $340 | $555 | $665 | $885 |
| Cylinders | 1 – 6 | 1 – 4 | 1 – 8 | 1 – 8 (batch) |
| Sequential injection | — | — | Up to 4 cyl. | Up to 4 cyl. |
| Connector pins | 20 (Molex) | 24 | 48 | 34 |
| MAP sensor | Built-in, 4 bar | Built-in, 4 bar | Built-in, 4 bar | Built-in, 7 bar |
| Display | — | — | — | 5" touchscreen |
| Dimensions | 75 × 72 mm | 121 × 110 mm | 130 × 115 mm | 154 × 98 mm |
| PC connection | USB-C (1 m cable) | USB-C (1 m cable) | USB-C (1 m cable) | USB type B (1 m cable) |
| Harness included | 1 m (2 m optional) | 2 m | 2 m | 2 m |
| MAP hose | 1.5 m included | 1.5 m included | 1.5 m included | 1.5 m included |
| Outputs | ||||
| Injection outputs | 3 (up to 6 cyl.) | 2 (up to 4 cyl.) | 4 (up to 8 cyl.) | 4 (up to 8 cyl.) |
| Ignition outputs | 3 (up to 6 cyl.) | 2 (up to 4 cyl.) | 4 (up to 8 cyl.) | 4 (up to 8 cyl.) |
| Fuel pump, fan and tach | Yes | Yes | Yes | Yes |
| Idle valve (IAC) | — | Yes | Yes | Yes |
| Boost solenoid | — | Yes | Yes | Yes |
| VVT | — | 1 output | 2 outputs | 2 outputs |
| Programmable output | — | — | Yes | Yes |
| Inputs | ||||
| Crank sensor | VR or Hall | VR or Hall | VR or Hall | VR or Hall |
| Cam sensor | — | VR or Hall | VR or Hall | VR or Hall |
| O2 / wideband sensor | — | Yes | Yes | Yes |
| Launch control (clutch) | Yes | Yes | Yes | Yes |
| Flex fuel | — | — | Yes | Yes |
| Speed sensor | — | — | Yes | Yes |
| Each injection and ignition output drives up to 2 cylinders: 4 outputs run a V8. | ||||
| Actions | View ST Mini | View ST-02 | View ST-04 | View ST-100 |
Tuning and autotune from the app, GPS meter, base maps, videos and member discounts. $5 a month or $45 a year, with a 5-day free trial.
Installs, tunes, track tests and launches. Share your build and tag us.
It's the computer that controls your engine's fuel injection and ignition. With a SpeedTech ECU you tune fuel, timing, cold start, rev limits and more to get the most out of your build.
With TunerStudio, the world's most widely used tuning software. We help you install the drivers and with the initial setup.
It depends on the cylinder count, the injection type and whether you want a display. The ST Mini suits compact 1–6 cylinder builds, the ST-04 goes up to 8 and the ST-100 has a 5" touchscreen. Message us on WhatsApp for free advice.
Yes, worldwide. ECUs ship free: within Costa Rica by Correos de Costa Rica, and to all of the Americas, Europe and the rest of the world by DHL Express. Supplies and merch ship free alongside an ECU; ordered on their own, they pay their zone's shipping. You can also buy from an authorized dealer.
1 year against manufacturing defects from the purchase date, plus direct technical support from our engineers.
Add products to your cart, fill in your details and pay online by card or SINPE Móvil on ONVO's secure page. If you prefer bank transfer or PayPal, send your order on WhatsApp and we'll share the payment details.
Tell us about your engine and a SpeedTech technician will recommend the right setup, free of charge.
