Return IG-S43 3W IIS Ignition System - Single Cylinder - 43cm (17”) Long Leads Price : $219.00 Quantity : **Add To Cart 3W IIS Ignition System - Single Cylinder - Extra Long IIS (Intelligent Ignition System) or "New Style" Ignition Fits motors with 4-Wire Sensor Pickup Longer spark plug wire for inline engines, etc. Minimum 6.0v (5-cell Ni) - Maximum 8.5v (2-cell Li)