Lateral Gas Ports are horizontal slots in the top of the top ring groove and they provide a passage for combustion pressure to get behind and above a top ring, increasing ring seal with reduced radial rings. Photo courtesy: CP-Carillo


Lateral Gas Ports are horizontal slots in the top of the top ring groove and they provide a passage for combustion pressure to get behind and above a top ring, increasing ring seal with reduced radial rings. Photo courtesy: CP-Carillo