I’d replace that with a Milodon high flow unit. They are relatively inexpensive and way better than that. You should also buy a QUALITY high flow thermostat. Stewart Components has the best one IMO. Make sure the water pump is turning faster than the crank.
BTW, there is no reason to ever run a thermostat hotter than 190. A 180 is better. Running hot coolant temps is a mistake many guys make. When you do that, you have to reduce the compression ratio to keep out of detonation and that is a power loser.
Don’t know what intake manifold you are using but I’d block the heat crossover off if it already isn’t. That’s another compression dropping detonation maker.