This product exchange addresses issues experienced exclusively with the TFGPB V3 Ion bolt engine. If you have a TFGPB V3 Ion bolt, then please fill out the form below with the address you would like your V4 Ion bolt sent to. We are not accepting V1 or V2 Ion bolt exchanges as these bolts did not experience issues. V1 and V2 Ion bolts sent in for exchange will be sent back at the user/senders  expense.