2004.5-2005 LLY Duramax

Pacific Performance Engineering

2004.5-2005 GM 6.6L DURAMAX HIGH-FLOW EXHAUST MANIFOLD AND UP-PIPE KIT

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2004.5-2005 LLY (Driver Side)

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2004.5-2005 LLY (Passenger Side)

Fleece Performance Engineering

Duramax CP3K

S&B FILTERS

S&B 65 GALLON REPLACEMENT FUEL TANK FOR 2004-2010 GM DURAMAX 6.6L LLY, LBZ, LMM CREW CAB LONG BED

S&B FILTERS

62 GALLON REPLACEMENT FUEL TANK FOR 2004-2010 GM DURAMAX 6.6L LLY, LBZ, LMM CREW CAB SHORT BED