High Quality Replacement CDI Box Exceeds O.E.M. Quality Supplied with New Electrical Connectors and Wiring Sleeves Photo is an Example – Check Compatibility Below Compatibility: 2005 Arctic Cat 90 Y-12/4-stroke 2×4 Auto Product Description Rick’s Motorsport Electrics ATV Electric CDI Igniter Box CDI box enhancements include: multiple sparks, increased rpm redline, and altered ignition advance curves. Advance curve allows ATV to rev at higher rpm and quicker rate. Also may be used to replace defective CDI box on stock machines.