Detailed Product Description We have all the chain saw parts like carburetor,crank case,crank shaft,cylinder,fuel tank,oil ... pump,clutch,rim sprocket,spur sprocket,muffler,chain sprocket cover,ignition ... ,piston,piston ring,oil seal,neadle bearing,chain and guide bar.They can fit for Stihl chain saw 170,180,210,230,250 ...