Originally Posted by efuseakay

I'm still a bit wary about aftermarket pulleys. Nobody has had them on this engine for a significant amount of miles. IMO, your car could be fine... Then again, it might not. I'd love to hear from N/A people that have had aftermarket pulleys for 10k + miles.

As for the M370, it seems hit or miss. That's a lot of $ for something that may or may not give you gains.