Thermostat housing?

If it actually has bolt holes on the 350 housing, then no since the 3.8 is a push in held by a bracket.
 
The thermostat housing for our turbo regals can be bought made from aluminum or stainless steel from a number of vendors and they won't corrode like the stock one. I have the aluminum one and it still looks new after 12 years.
 
The thermostat housing for our turbo regals can be bought made from aluminum or stainless steel from a number of vendors and they won't corrode like the stock one. I have the aluminum one and it still looks new after 12 years.

I should have mentioned that when i said it still looks new after 12 years. I meant i remove it twice a year to swap out the thermostat from a 160 to 195 for the cooler months and then back again for the warmer months,so i really do get a good look.
 
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