Description
Gaffrig Performance Tachometer Signal Filter – HEI
Specifically engineered for High Energy Ignition (HEI) systems, the Gaffrig Performance Tachometer Signal Filter – HEI ensures smooth, accurate RPM readings by stabilizing tach signals and eliminating interference. Perfect for high-performance marine setups running HEI distributors, this filter helps prevent tach bounce and erratic readings. Built for durability in marine environments and easy to install. For best results, we recommend using 18-gauge wire during installation.