IST<sup>®</sup> Ignition Installation Kit for 1999–’03 carbureted HD<sup>®</sup> Big Twins.

IST® Ignition Installation Kit for 1999–’03 carbureted HD® Big Twins.

Item #: 55-1012
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$193.95
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Fits:1999-'03 HD® Big Twins. Carbureted only. S&S® IST Ignition Installation Kit Includes a wiring harness adapter, knock sensor, and temperature sensor.

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Do not use a dual fire coil with the S&S ignition module. This kit will NOT work with vehicles equipped with flat slide carbs, open primaries, and dry clutches. If you want to use IST with these configurations, contact S&S – we can help set up IST. The S&S IST Ignition System is not recommended for kick start applications unless a cam position sensor is used. Engines using a crankshaft position sensor only will be difficult to kick start. We recommend our Super Stock® ignition system for kick start applications