742356 Fits All 2014 2017 Indian Chief Chieftain Roadmaster Springf

For owners of the Chief, Chieftain, Roadmaster, or Springfield, the Zodiac Top Fuel Injection tuner provides a simple yet effective way to dial in your engine's performance. This load-based tuner avoids the complexity of computer-based mapping by using three intuitive buttons for fine-tuning. It plugs directly into your system without the need for splicing wires. By monitoring the actual load on the engine, it delivers a precise fuel mixture that adapts to your riding conditions, providing better performance than standard throttle-position tuners. Whether your bike is stock or equipped with performance intake and exhaust upgrades, this tuner ensures your engine is getting the fuel it needs for a smooth, powerful ride without the need for a dyno.