I need spare parts for MTU diesel type 16 V 538 TB 91 if you can product1-exhaust valve Resis-Tfl P/N 135C10792/22-inlet valve P/N 135C11001/23-taper face compr.ring P/N 135B14014/24-slotted oil contr.ring P/N 135B14013/15-stepped compr.ring P/N 135B14012/1I attach picture of valves and ringsPlease send me picture , price and delivery time