Kinsler #569 2-1/2” injection with Stacks, 165 up and 390 down nozzles, 54 spool, used in Brodix/WeldTech HUT-247-12RI heads, ports are 2.200” X 1.330”. Came off a running engine, spool is free and has always been pickled-went to Engler injection. Water ports have been repaired.