AT BP RACING ATV WE DO NOT JUST SELL PARTS. BANSHEES ARE OUR SPECIALTY AND WE TEST, TUNE, REPAIR, AND REBUILD EVERY SIZE MOTOR MADE MADE, FROM STOCK TO 250hp. Wiseco 513M06 400 Pro Lite pistons with rings, pins, and clips. New stock bore cylinders clean up ported for serval type power band completely polished. Cheater cylinder head polished with chambers cut for big bore. Wrist pin bearings. MAXLOCK head stud kit. Top end gasket kit. Cylinder to case dowel pins. This top end works with a stock crank. Please check your order thoroughly when receiving it. We recommend that this kit be installed by a qualified mechanic with experience…