Originally Posted by cruzinquick

LET had offered a replacement 19000 rpm water pump pulley bearing that would withstand the higher rpm's the 185 would create. Search on here for that and I just sold the new one I had never used. I don't believe they are available since he special ordered the production run. So you might just be stuck with replacing a stock pulley with stock bearing and keep monitoring as you approach the next 10000 miles. Sorry couldn't offer a better solution.