Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
Introducing our Freedom Series Cummins Performance cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory spe...
Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new O-rings for the AN fittings.
Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All hea...
Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat.
** Two thermostats are included to service all production years, you will onl...
Coolant Bypass Hose Brackets for 2003-2018 Coolant Bypass kits. Includes 2 bracket assemblies and mounting hardware.For use with the following kits: FPE-CLNTBYPS-CUMMINS-0607FPE-CLNTBYPS-CUMMINS-03...
