HEI Input Mod Kit

Name: DIYAutoTune HEI Input Mod Kit - HEI Input Mod Kit
Brand: DIYAutoTune
SKU: 42650783875181
Price: 9.99 USD
Availability: InStock

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High-Energy Ignition (HEI) Signal Mod Kit for MS1 and MS2
This HEI Mod Kit enhances the input signal strength of your MegaSquirt ECU when using GM HEI ignition systems. Originally designed for V3.57 boards, it’s also compatible with V3.0 boards—just remove the factory XG1-XG2 and TachSelect-OptoIn jumpers and install the included header p

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