Hi Everyone, will the head assembly from a Kohler SV470-620 22hp fit a SV470-620 19hp? Are the valves and the bore the same. I have a TB Super Bronco 13BX60TG766 that threw a rod and I need the head, carb and starter from it to make a Cub Cadet 13AX11CH056 motor complete. Thanks for the help.