Alternating Current (AC) module 6-pin (4+2) connectors with rounded corners High performance – no rev limiter 5-10% acceleration increase and better top speed 75 mm x 42 mm Our orange-colored AC High Performance CDI Module (Ignitor) for 50cc, 90cc, 110cc, 125cc, & 150cc gas scooters and ATVs sports a 6-pin (4+2) rounded connector and is one of the most common ignitors found on today’s popular powersports models This is a “no-rev limit” module that offers a 5 to10% acceleration increase and better top speed 30 Day Warranty Description Our orange-colored AC High Performance CDI Module (Ignitor) for 50cc, 90cc, 110cc, 125cc, 150cc gas scooters and ATVs sports a 6-pin (4+2) rounded connector and is one of the most common ignitors found on today’s popular powersports models. This is a “no-rev limit” module that offers a 5 to10% acceleration increase and better top speed. This is an Alternating Current (AC) module and is only compatible with machines that use an AC electrical system. There is a very simple way to determine if your ATV or scooter uses a DC or AC system. Turn your ignition key to ON position but do not start the engine. Flip your light switch to ON. The light will shine if it is on a DC system. With an AC electrical system, the engine needs to be running for the lights to come on. A note on color: These high performances CDI modules come in both an Alternating Current (AC) and a Direct Current (DC) version but are visually almost identical. To distinguish between the two versions the manufacturer uses two different shades of orange. The DC module is enclosed in a deeper, richer, and more vivid orange similar to the color used on traffic cones or life vests. The AC module uses a paler orange casing, somewhat more faded in comparison to its DC sibling. You can click here if you want to see the equivalent DC module.