Introducing FREE FREIGHT OVER FORTY! Orders over $40 will be eligible for FREE GROUND FREIGHT in the contiguous 48 states.*
*Some restrictions apply. See the shipping policies page for details.
Features full support for J1850 data bus used for communications with instrument cluster and turn signal/security mode (TSM/TSSM)
Wide timing advance adjustment range accomodates stock to highly modified engines
RPM limit can be digitally set in 100 rpm increments from 3000 to 9000 rpm
Low-profile machined billet aluminum housing
Four rotary switches are used to set advance slope and rpm limit
HI-4TC features a switch that sets initial timing, solving the problem of new engines that have a non-adjustable crankshaft timing sensor
Second switch sets the slope of the advance curve
Combination of these switches allows for optimal timing advance
Built-in data logging stores last 30 minutes of engine operation (rpm, vehicle speed, manifold pressure, ignition advance and battery voltage)
Module is fully compatible with Harley-Davidson® scan tool
Optional PC link cable and Windows-compatible software for custom programming and data analysis; link cable plugs into existing diagnostic connector on the stock wiring harness
Easy plug-in installation; all adjustment switches are easily accessible from the top of the module
