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Cartech, First of all thanks for the help, very informative! I asked and got a sample from Airpot, a 2.75" long by .75" diameter snubber. This has a ball joint on each end of a 2 7/8 long rod. My goodness is it ever smooooooth! I stripped off the rubber sleeve, took off the valve, and did ...

OK, So the piston comes predrilled with a center hole? My current piston, a loser for sure, has a very short length of 1/8" brazing rod thru the center hooked to a VCR bearing/hub, and then to the rod then to crank via another VCR bearing/hub. This arrangement doesn't bind side to side during t...

Steve, I'm working on the walking beam design and havin' all kinds of problems with the power piston running smooth enough. These parts from Airpot seem to be just what the doctor ordered. I am concerned about the connecting rod attachment. Can that graphite piston take any type of adhesive or is it...

[quote="Cartech"]I'm sure it's been posted here before but here is a link for production cylinder sets of glass and graphite. http://www.airpot.com/ look under the specs tab. They have many sizes and the smaller ones run under 20.00 USD per set. Sure easier than making your own! I'm not po...