Fleece Performance 04.5-07 GM Duramax 6.6L LLY / LBZ GM All Lights On - FPE-GM-ALO-37

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily...

TufShafts are a direct replacement upgrade shafts for any 2001-2010 GM 2500-3500 with a 9.25? AAM front axle. They are designed to eliminate the stock passenger side split axle shaft that is prone to...

Fleece Performance 04.5-10 GM Duramax SureFlo Performance Sending Unit

Designed to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsepower when you need it most;Cost effective upgrade;Fuel pressure regulator will need to be...