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 Heavy-duty rear coil spring spacers

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

5x40mm Flange Head Cap Screw

ZF-6 Stock Replacement Clutch Kit w/ Flywheel

Concentrated Injector Cleaner & Cetane BoosterDIESEL EXTREME is a fully formulated

Works with H1/H2 wiring harness (sold separately)B

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 Heavy-duty rear coil spring spacersIncreased 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