Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! NOTE: this pipe does not come standard with a WCFab badge like the other model year coolant pipes. Upper Coolant Pipe for 2001-2005...

Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! NOTE: this pipe does not come standard with a WCFab badge like the other model year coolant pipes. Upper Coolant Pipe for 2001-2005...

Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! NOTE: this pipe does not come standard with a WCFab badge like the other model year coolant pipes. Upper Coolant Pipe for 2001-2005...

The Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your 2001-2004 GM 6.6L Duramax. Complete with a pre-drilled and tapped ports for a boost gauge, nitrous, water methanol injection and other accessories. Features: Increase Intake...

Increase your LB7's potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance Modified LB7 Intake Horn ? that's about the cheapest 15hp Increase your LB7's potential with this simple, but effective upgrade. Back-to-back dyno...

Complete Oil Line Kit for LB7/LLY/LBZ/LMM/LML Duramax Engine with S400 Turbo mounted on 6" tall pedestal. Also compatible with 2001-2004 LB7 Duramax S300 Turbo. Oil Line Kit for S400 Single Turbo LB7/LLY/LBZ/LMM/LML Duramax Features: Parker stainless braided #10 drain and #4 Feed Line Plug...

Twin Turbo Pedestal for 2001-10 Duramax. #8 JIC turbo drain incorporated into turbo mount. Comes standard with a textured black powder coat finish, includes hardware for mounting to engine block. Twin/Compound Turbocharger Pedestal for LB7/LLY/LBZ/LMM Duramax Features: For Large and Mid Frame Turbos #8...

For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax. Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory turbocharger. Billet aluminum machined with Black Anodized finish. Plug for Upper Coolant...

The Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It comes with a Fleece Performance 63mm FMW compressor wheel and 66mm high flow turbine wheel. This drop-in replacement turbo is guaranteed to enhance your driving experience. You'll enjoy the...

The 63mm FMW Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2011-2016 Duramax diesels. It comes with a Fleece Performance Engineered 63mm FMW compressor wheel and high flow Cheetah turbine wheel. This drop-in replacement turbo is guaranteed to enhance your driving experience....

Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal bearing, which can be restrictive, or even result in an oil blockage if the bearing slips. Solution: Fleece Performance's remote oil feed line allows you to...

Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line! Problem: The factory turbo oil feed used on the 2001-2016 Duramax's is supplied off of the number 4 cam journal bearing, which can be restrictive, or...

Long Stainless Rail Fitting for LLY, LBZ, & LMM Driver side rail rear port. 1/8" ID for increased fuel flow. High Flow Rail Fitting (Long) for 04.5-10 Duramax Features: Stainless Rail Fitting Vehicle Fitments 2004.5-2010 GMC 6.6L DURAMAX 2004.5-2010 CHEVROLET 6.6L DURAMAX

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY Duramax allows you to mount a second high pressure CP3 pump (available separately) next to your AC Compressor to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...

Twin CP3 Pump Kit for the 2004.5-2005 LLY allows you to mount a second high pressure CP3 pump (available separately) in the AC compressore mount location to support larger injectors and higher horsepower. A second CP3 pumps adds volume to your high pressure fuel...