Racing CDI of atv engine parts 1)AC or DC 2)Auto advance angle 3)Keep rotation in high speed Racing CDI of atv engine parts These parts fit for ATV,Quad,Pit bike,Dirt bike,Go Kart,Buggy For ATV and Quad,fit for Loncin,Yamaha,Linhai,Honda,Zongshen,Buyan,Polaris,Bashan,Hsun,Shineray, Jinling,kazuma,Lifan,Taotao,Suzuki,chinese,gsmoon etc. For Displacement,include 250cc,50cc,110cc,125cc,150cc,800cc, ...