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How many miles can I expect to get out of a set of Ross Forged Pistons and rings? I am getting ready to buy a set. I seen other thread about the ring gap, but nothing on how long they will last. I will run 18-20 psi and 15 psi daily. I have most of the mods to get to 400rwhp.
 

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Unfortunately, the only person who could attempt to give you an accurate answer is Dion Worwick. Your mileage will vary depending upon your tune, useage (frequency of hard use), oil changes, etc etc.

Ross pistons are going to meet or exceed Toyota's quality control standards, so if it was stock, I'd expect them to last 200,000 miles or more. However there are just too many variables to attempt a guess
 
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