Engine › VTWIN IGNITION SYSTEM Image 1 of 1 VTWIN IGNITION SYSTEM $354.95 Sold Out Wide timing advance adjustment range accommodates stock to highly modified enginesDigitally set RPM limit (100 RPM steps)Selectable single or dual fire modeSelectable multi-spark mode for quick starting and smooth cruiseCoil outputs protected against short circuitsOptional USB interface and software for programming custom advance curveBillet aluminum housing with black anodized finishEasy plug-in installation Sold Out Added! Wide timing advance adjustment range accommodates stock to highly modified enginesDigitally set RPM limit (100 RPM steps)Selectable single or dual fire modeSelectable multi-spark mode for quick starting and smooth cruiseCoil outputs protected against short circuitsOptional USB interface and software for programming custom advance curveBillet aluminum housing with black anodized finishEasy plug-in installation