I always used NBR o rings without problems so far (knock on wood), even now with the aluminum oil filter housing from Trucco and the stainless steel oil filter from Asami Engineering.
@MarkT-Channel001Ай бұрын
Yes, I also same, no issue on NBR.
@miguelferrandisperez57052 ай бұрын
Hello sir, what are you running instead of the original AOS System?