Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat. Features: Two thermostats included to service all production years, you will only use one (1) of the included thermostats when replacing your bypass thermostat. This kit...

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...

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 block will allow you to get rid of your...

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.

Amplify your driving experience with a Fleece Performance Holset Cheetah Turbocharger. Featuring a Fleece Performance exclusive 63mm FMW COMP compressor wheel and a high flow turbine wheel; this turbo is capable of supporting 650 RWHP, without sacrificing any drivability. As a 100 percent drop-in...

The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine block drain tube location just like the factory drain tube and allows you to route your own 7/8 Inch...

Fits a multitude of T6 turbochargers including externally wastegated Detroit Diesel, Precision, Turbonetics, Garrett and many others. Thermal Zero Premium Fitted Turbocharger Heat shields go above and beyond when it comes to heat tolerance and durability. The inner layer of the heat shield can...

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.

TheCummins Stealth 64 is an upgraded, drop-in, replacement turbo for the2003-2007, 5.9L Cummins. It is designed to bolt in and requirenothing other than removing the factory turbo and dropping this one in it’splace. The turbo features a custom profile, 64mm (actual measurement63.5mm) billet wheel...

Dual Pump Bracket and Mounting Hardware for the Cummins 5.9L. 5.9L Dual Pump Bracket and Mounting Hardware Vehicle Fitments Dodge Ram 3500 2003 to 2007 Dodge Ram 2500 2003 to 2007 Additional Attributes Country Of Origin: USA Universal: No Vehicle Type: Truck/SUV Sold As:...

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...

Straps are Kevlar - 9800 lb Capacity Quick-release titanium buckles - 3000 lb Rating 3/8" cable has a 3000 rating for comparison Sold individually, most engine configurations require two straps

Stage 2 VP44 Cummins Performance Head   Our Stage 2 VP44 Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 VP44 Billet Intake Manifold, thread-in soft plugs in the...

Eliminate the troublesome and leaky quick-connect heater core line on your 2003-2024 RAM with the latest OEM+ solution from Fleece Performance! Our stainless steel fitting and silicone hose kit are a direct replacement for the problematic stock hose and quick-connect style fitting, providing you...

5.9 Cummins Essentials Reman Long Block Overview The Essentials Reman Long Block is designed to provide reliable and efficient performance for your diesel engine needs. Built with precision and care, this remanufactured engine is perfect for those seeking quality and affordability. Key Features Comprehensive...

Are you tired of your 68rfe not holding power? Do you hate the 20 times it shifts and locks and unlocks while trying to get up to 55mph? Looking to get a little more power out of your truck and want the clutches to...

5.9 Common Rail Cummins Precision Plus Reman Long Block Our 5.9 Common Rail Cummins Precision Plus Reman Long Blocks come fully assembled, including the oil pan and front timing cover. We use only the best products from our years of experience in the high-performance...

Stage 2 P-Pump Cummins Performance Head   Our Stage 2 P-Pump Cummins Performance Head is designed for the performance enthusiast. It includes everything in our Stage 1 Cummins Performance Head plus a D&J Stage 2 P-Pump Billet Intake Manifold, thread-in soft plugs in the...

The Firepunk F5 Transmission for your 03-04 Dodge 5.9L Cummins isfor the ultimate street truck making big power. Suited for a variety ofHigh Horsepower trucks, this transmission is built using oversizedshafts capable of holding extreme HP and torque. This is thetransmission that was used...

The Firepunk F4 Transmission for your 03-04 Dodge 5.9L Cummins is afull billet build. This is a 1000HP capable transmission that will feedyour desire to build a monster and have a transmission that puts thepower to ground. The valve body is more aggressive then...

D&J Precision Machine Performance Series 5.9 Cummins Long Block   Our Performance Series 5.9 Cummins Long Blocks come fully assembled from the oil pan to the rocker box with our X-Beam Stock Length Billet Rods and our Stage 2 High-Performance Cylinder Head. We custom-build...

The Firepunk F3 Transmission for your 03-04 Dodge 5.9L Cummins is the perfect option for the serious performance enthusiast. As Firepunk’smost popular build, the F3 provides a well-balanced transmissionfor those who need to use their truck daily and also plan on using theirtruck for...

Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. PPEs differential covers offer industry-leading fluid cooling. Equipped with internal heat sinks and external cooling fins, increasing the pans surface area helping dissipate heat. This makes for a much cooler...

Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. PPEs differential covers offer industry-leading fluid cooling. Equipped with internal heat sinks and external cooling fins, increasing the pans surface area helping dissipate heat. This makes for a much cooler...