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The Mahle OE chrome ring set supports Cummins 4BT (3.9L) and 6BT (5.9L) diesel engines and is specified for 17.3:1 compression ratio applications as noted. Built to MAHLE's OE-driven standards, these rings focus on reduced friction and lowered ring mass to help minimize oil consumption and extend service life, providing durable sealing for the stated Cummins diesel engine configurations.
Mahle Rings Cummins 4BT3.9/6BT5.9 Diesel Engine 17.3:1C/R Chrome Ring Set
