This Mahle plain ring set is a second ring package specified at 3.4055 inches diameter with 1.2mm thickness and a .135in ring width, offered as a plain steel Napier configuration. Intended for engine rebuilds and replacement ring needs, the set provides precise dimensional specification for matching bore and piston geometry when assembling or repairing compatible engines.
Mahle Rings Performance Steel Napier 2nd Ring 3.4055in x 1.2MM .135in RW Plain Ring Set