Fleece Coolant Bypass Kit for 2003-2018 Cummins Manual Transmission & 2007.5 to present Non EGR Equipped w/ Stainless Steel Braided Line EXHAUST SYSTEMS 2014-2019 ECODIESEL 5x40mm Flange Head Cap Screw

5x40mm Flange Head Cap Screw

ZF-6 Stock Replacement Clutch Kit w/ Flywheel

BUILD-IT TRANS KIT STAGE 4 WITH PRESSURE CONTROLLER CHEVY LML ALLISON 2011-2016

Heavy-duty rear coil spring spacers to retain the factory dual-rate coil springs

2 & 4WD HD 8 lug models

Fleece Coolant Bypass Kit for 2003-2018 Cummins Manual Transmission & 2007.5 to present Non EGR Equipped w/ Stainless Steel Braided Line EXHAUST SYSTEMS 2014-2019 ECODIESEL 5x40mm Flange Head Cap ScrewIncreased 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. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary