LinkECU G4XA 111-4000 AtomX 4x fuel & ignition G4X WireIn ECU
The Link G4X AtomX Standalone ECU is a compact and powerful engine management solution designed for 1–12 cylinder engines. It offers advanced tuning capabilities, including sequential injection, direct spark, and knock control, making it ideal for naturally aspirated setups
Overview:
The Link G4X AtomX Standalone ECU is a compact and powerful engine management solution designed for 1–12 cylinder engines. It offers advanced tuning capabilities, including sequential injection, direct spark, and knock control, making it ideal for naturally aspirated setups. The AtomX features enhanced data logging, faster communication speeds, and a user-friendly interface through the PCLink software.
Key Features:
- Supports 1–12 cylinder distributed, 2–8 cylinder wasted spark, 1–4 cylinder direct spark, odd fire, and 2-stroke engines
- Up to 6D fuel and ignition mapping with configurable load and RPM centers
- 512MB of 32-bit data logging memory with up to 250 channels
- Enhanced communications with 8x faster download speeds
- Knock control functionality for engine protection
- Configurable firing order and TDC points for odd fire engines
- Supports various input types including digital, analog, temperature, and trigger inputs
- Four injector drives, four ignition drivers, and four auxiliary outputs
- Onboard barometric pressure sensor for real-time corrections
- Compatible with PCLink software for real-time tuning and diagnostics
Physical Specifications:
- Dimensions: 79 mm (L) x 126 mm (W) x 42 mm (H)
- Weight: 360 grams
- Connector: 34-pin waterproof automotive connector
- Operating voltage: 8–22V
- Operating temperature range: -10°C to 85°C
Package Includes:
- Link G4X AtomX Standalone ECU
- USB tuning cable
- Mounting bracket
- Wiring and installation instructions
- Link stickers (2 large, 2 small)
Additional Accessories (sold separately):
- Wiring looms
- Intake air temperature sensor
- Wideband O2 controller and sensor
- 3-channel Link igniter
- Throttle position sensor
- Injector ballast resistor packs
For detailed installation instructions and wiring diagrams, please refer to the AtomX Installation Manual.



























