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CP Pistons vertical gas porting is provided per piston as a machining/service option to create vertical ports through the piston skirt or ring area. Offered on a per-piston basis, this treatment is intended for builders seeking specific gas-venting or ring-seal modifications. The listing documents the service rather than raw hardware and should be specified to match the engine’s porting plan.
CP Piston Vertical Gas Porting (Per Piston)
