Heat is the number one killer for most engines. This is especially true with the Ram 6.7L Cummins. The rear cylinders of the 6.7L Cummins suffer from a lack of coolant flow resulting in higher cool...
The Fleece Performance Coolant Bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.
Increased Coolant Flow, Decreased Coolant Temperatures...