2019 - Home - Piston Rings Manufacturer

5.Free Gap: Uncompressed (uninstalled) end gap clearance of the ring 6.End Gap: Gap clearance of the ring when fitted (installed) to the bore diameter 7.Back Clearance: When installed, the distance in the piston groove between the ring ID and the back of the ring-groove of the piston (horizontal measurement) 8.Groove Clearance: When installed, the ................
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