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. This can cause excessive pressure to build in the cooling system, especially the rear of the block...

WCFab x D&J Precision Machine Billet Valve Covers for 2006-2018 5.9 & 6.7 Cummins are made from aircraft quality 6061-T6 aluminum and features a baffled breather system. Features a WCFab Engraved Cap and comes powder coated in your choice of color. This includes D&J's...

WCFab x D&J Precision Machine Billet Valve Covers for 2006-2018 5.9 & 6.7 Cummins are made from aircraft quality 6061-T6 aluminum and features a baffled breather system. Features a WCFab Engraved Cap and comes powder coated in your choice of color. This includes D&J's...

WCFab x D&J Precision Machine Billet Valve Covers for 2006-2018 5.9 & 6.7 Cummins are made from aircraft quality 6061-T6 aluminum and features a baffled breather system. Features a WCFab Engraved Cap and comes powder coated in your choice of color. This includes D&J's...

Replacement engine starter connector with 6 inch pigtail for use on the 2003-2018 Cummins. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck or car...

Shown here is T6 manifold with angled flange. The perfect choice for upgrading to a larger turbo for your truck. The manifold comes complete with all gaskets and turbo mounting hardware.

Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked,...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only in-tank lift pump capable of supporting up to 800 hp! Features: Direct OEM In-Tank Replacement: The PowerFlo Lift Pump retains...

Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues. Upper Coolant Pipe for 2003-2009 Cummins Candy Teal Features:...

Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may cause fitment issues. Upper Coolant Pipe for 2003-2009 Cummins Gun Metal Features:...

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. This can cause excessive pressure to build in the cooling system, especially the rear of the block...

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. This can cause excessive pressure to build in the cooling system, especially the rear of the block...

On 3 Performance 77mm Turbocharger, T-4 flanged On 3 Performance Stainless Steel Schedule 40 hot pipe On 3 Performance 3.5 to 4 Stainless Steel 304 Downpipe Stainless Steel flex Pipe to Adapt 4 Exhaust SS Lap Bands V-Band Clamps On 3 Performance SS Braided...

T4 flanged 3rd gen manifold Testing at Fleece performance has shown very strong gains in power and much lower EGTs. Dyno results showed 142hp and 380 ft lbs at 2000 rpms on 650 hp truck.

Billet aluminum fan drive pulley in bare aluminum finish. 2013-2018 Cummins Fan Drive Pulley (Bare Aluminum Finish) Vehicle Fitments Ram 2500 2011 to 2018 Ram 3500 2011 to 2018 Dodge Ram 3500 2003 to 2010 Dodge Ram 2500 2003 to 2010 Additional Attributes Country...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expensive kit, just bolt it on and go. Designed as a stock appearing, drop in replacement turbocharger capable of much more! With our exclusive...

Replace your cracked, broken, or clogged turbo oil drain tube with our all new silicone hose drain tube kit.? This turbo drain kit is designed for use with all factory VGT turbochargers and aftermarket drop-in replacements. Featuring a larger ID smooth silicone hose and...

It is not uncommon on 68RFE transmissions to find the underdrive balance piston snap ring blown off. When this occurs, catastrophic damage can occur to the overdrive clutch drum and underdrive hub assembly, rendering the clutch hub useless. SunCoast has designed and manufactured a...

Upgrade your fuel system with this fuel distribution block from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such as an Air Dog® or a FASS® and dual CP3 pumps, this fuel distribution block will allow you to get rid of...

S&B Filters cotton filter cold air intake kits are designed to improve airflow and bring down the temperature of the air that enters your engine. To achieve more airflow S&B oiled cotton filters are built with four or eight layers (for diesels) of the...