... 4)Copper Performance D shape roller of 150cc atv engines and transmissions These parts fit for ATV,Quad,Pit bike,Dirt bike,Go ... ,gsmoon etc. For Displacement,include 250cc,50cc,110cc,125cc,150cc,800cc,350cc,500cc,400cc,etc The detail specification of it ... weight are avaiable,normall in engine is 12.8G3) Orange ,other color are avaibale4) Copper performance roller of 150cc atv engines and transmissions