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The Mahle PRO Series ultra low-tension moly ring set is specified for a 4.125 in bore and offers reduced ring tension for lower friction in performance applications. Built to OEM-quality standards, these moly rings aim to balance sealing with reduced mechanical drag, making them suitable where lower friction and reliable ring performance are priorities during engine operation.
Mahle Rings PRO SERIES PERFORMANCE Ring ULTRA LOW TENSION 4.125 Bore Moly Ring Set
