Fleece Performance 01-04 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn - FPE-INTAKEHORN

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 high flow LB7 intake horn – that's about the...

Fleece Performance 01-04 GM Duramax 6.6L LB7 Intake Air Heater Delete Plug - FPE-LB7-IAH-DELETE

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,...

Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side) - FPE-61-10001-D-CL

ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head...

Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side) - FPE-61-10001-P-CL

ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head...

Fleece Performance 01-04 GM Silverado/Sierra 2500 6.6L-V8 Duramax Truck PowerFlo In-tank Lift Pump - FPE-PF-GM-0104

The LB7 PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. Direct OEM In-Tank Replacement: The PowerFlo Lift Pump retains the...

Fleece Performance 01-04 LB7 Injection Lines (Complete Set of 8) - FPE-34611

2001-2004 LB7 Injection Lines complete set of 8- Over time LB7 Injection lines corrode and break, they are a leading cause of contamination when changing the Injectors. So if you are changing your...

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line - FPE-TL-LB7-LLY-SHORT-SER

Replacement Transmission Cooler Line (short line) for the Fleece Performance Allison Transmission Cooler Line Kit (FPE-TL-LB7-LLY). For use on model year 2001-2005 LB7-LLY trucks. Application Notes...

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line - FPE-TL-LB7-LMM-LONG-SER

Replacement Transmission Cooler Line (longest length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7,...

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line - FPE-TL-LB7-LMM-MED-SER

Replacement Transmission Cooler Line (medium length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7, LLY,...

Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines - FPE-TL-LB7-LLY

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LB7 or LLY...

Fleece Performance 01-05 Kodiak/TopKick 5 Speed Allison TapShifter - FPE-TAPSHIFTER-KDTK

The Fleece Performance TapShifter allows you to shift your 5 speed Allison Transmission with the touch of a button. Perfect for towing, drag racing, daily driving and everything in-between, the...

Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY) - FPE-HAR-DMAX-MAP-0107

Replacement connector with 6" pigtail for use on the 6.6L Duramax engine including MAP, BARO, camshaft, and crankshaft sensors. Produced in-house, our manufacturing process includes fully automated...