I have a perfect working set of Mach 6s that will be coming out next week when my new sticks arrive. I purchased these from a very reputable forum member who cleaned and set pop off pressure on all 6, these things idle smooth as glass. They are under 2 years old with low miles, I only put about 2k on em since October when I purchased the set so mileage is around 7k. $650 shipped firm. Thanks.
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