Vortex Rok TT engine built by D power. Engine is complete and has 0 runtime on a complete rebuild. Perfect shape. Have all receipts which add up to more then selling engine for. Can send picture on request. Engine was build for national level competition. On Last of 7 piston sizes. Has a Leopard clutch which was needed for roadracing. $1300 kv.bridgeman@gmail.com or call 612-803-0130