I was wondering if anyone that has used these bearings knew how long they last compared the the ACL Std bearing set or even OEM bearings. I heard the ACL Race bearings have a shorter life span and seeing how i wanted to build a Long lasting and reliable B20/Vtec revving to 8k, i dont want to have to put new bearings in it 40-60,000 miles down the road. This is just a general question about the ACL Race bearings, not how to build a motor to last for XXX,XXX amount of miles and how my motor is being Driven, Built, and what parts are installed.

Thanks for all the help.