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CP-Carrillo piston ring set is listed with a 1.2mm steel top ring for a 3.327-inch bore and features marketing noting CP-Carrillo’s reputation for high-performance forged pistons and rings suited to custom and high-output engines. The description positions these rings for durable performance in custom builds, using the explicit bore and ring specification to match engine needs without overstating applications.
CP Pistons Ring 1.2mm Steel Top Ring 3.327 Bore RT .112
