Collection: 2004.5-2005 6.6L LLY Duramax
Top shelf American made products that take your ride to the next level!
“Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives.” - William A. Foster
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Intercooler System 04-05 Chevy/GMC 6.6 LLY W/Boost Tubes Banks Power
Regular price $1,459.00 USDSale price $1,459.00 USD Regular priceUnit price per$1,459.00 USD -
S&B Filters Hot & Cold Side Boot Kit – 2004.5–2005 GM 6.6L Duramax LLY
Regular price $149.00 USDSale price $149.00 USD Regular priceUnit price per -
BD-Built Duramax LLY Injector Stock/StockPlus (0986435504) Chevy/GMC 2004.5-2006
Regular price From $325.95 USDSale price From $325.95 USD Regular priceUnit price per -
Venom Lift Pump Replacement Filter Dual-Pack - Fuel & Water Separator
Regular price $57.95 USDSale price $57.95 USD Regular priceUnit price per -
Flow-MaX Add-On Pre Water Separator Filter Kit
Regular price $93.95 USDSale price $93.95 USD Regular priceUnit price per -
Flow-MaX Add-On Post Fine Particle Fuel Filter Kit
Regular price $86.95 USDSale price $86.95 USD Regular priceUnit price per -
VENOM FUEL LIFT PUMP C/W FILTER & SEPARATOR CHEVY 6.6L DURAMAX 2001-2010
Regular price $819.95 USDSale price $819.95 USD Regular priceUnit price per -
Injection Pump Stock Exchange CP3 Chevy LLY 6.6L Duramax 2004.5-2005
Regular price $848.95 USDSale price $848.95 USD Regular priceUnit price per -
FUEL RAIL PLUG CHEVY 2500/3500 6.6L DURAMAX 2004.5-2010 / DODGE 2500/3500 6.7L CUMMINS 2007.5-2018
Regular price $44.95 USDSale price $44.95 USD Regular priceUnit price per -
T3 Mount Turbo Pedestal Chevy Duramax 2001-2007
Regular price $284.95 USDSale price $284.95 USD Regular priceUnit price per -
TapShifter Chevy Duramax Allison 2003-2005
Regular price $472.95 USDSale price $472.95 USD Regular priceUnit price per -
2 Low UnLoc Chevy 2001-2014 2001-2014 2500-3500 4wd / 2001-2013 1500 4wd
Regular price $190.95 USDSale price $190.95 USD Regular priceUnit price per -
Rear Differential Cover AA14-11.5 Dodge Cummins 2003-2018 / Chevy Duramax 2001-2018
Regular price $328.95 USDSale price $328.95 USD Regular priceUnit price per -
Deep Sump Trans Pan Chevy Duramax Allison 1000
Regular price $421.95 USDSale price $421.95 USD Regular priceUnit price per -
Throttle Sensitivity Booster Chevy/GMC Duramax 2001-2005 (Check application listings)
Regular price $277.95 USDSale price $277.95 USD Regular priceUnit price per -
R900 12mm Duramax Stroker CP3 Injection Pump 6.6L Chevy Duramax 2001-2010
Regular price $2,574.00 USDSale price $2,574.00 USD Regular priceUnit price per -
Allison Valve Body Chevy LLY Duramax 2004-2006
Regular price $1,179.95 USDSale price $1,179.95 USD Regular priceUnit price per -
Proforce Torque Converter Chevy Duramax Allison 2001-2010
Regular price $1,268.95 USDSale price $1,268.95 USD Regular priceUnit price per -
EXHAUST BRAKE w/4-INCH EXHAUST CHEVY DURAMAX 2001-2010
Regular price $1,640.95 USDSale price $1,640.95 USD Regular priceUnit price per -
EXHAUST BRAKE w/STOCK EXHAUST CHEVY DURAMAX 2001-2010
Regular price $1,640.95 USDSale price $1,640.95 USD Regular priceUnit price per -
Intercooler Hose & Clamp Kit Chevy LLY Duramax 2004.5-2005
Regular price $432.95 USDSale price $432.95 USD Regular priceUnit price per -
ROADMASTER TRANSMISSION & CONVERTER PACKAGE ALLISON GMC/CHEVY SIERRA/SILVERADO 2500HD/3500HD 6.6L DURAMAX 2004.5-2006 4WD
Regular price $4,495.00 USDSale price $4,495.00 USD Regular priceUnit price per -
BD-Built Duramax LLY CR Injector 60hp-90hp Chevy 2004.5-2006 6.6L
Regular price From $437.95 USDSale price From $437.95 USD Regular priceUnit price per -
Transmission Filter Service Kit Chevy Allison 1000 2001-2016
Regular price $46.95 USDSale price $46.95 USD Regular priceUnit price per -
EXHAUST MANIFOLD CHEVY LB7/LLY/LBZ/LMM DURAMAX 2001-2010
Regular price $196.95 USDSale price $196.95 USD Regular priceUnit price per -
Garrett GT3788VA Turbo Exchange c/w Vane Position Sensor Chevy LLY/LBZ/LMM Duramax 2004-2010 (LLY requires sensor adapter)
Regular price $1,539.95 USDSale price $1,539.95 USD Regular priceUnit price per -
Screamer Turbo Chevy LLY/LBZ/LMM Duramax 2004.5-2010
Regular price $2,185.00 USDSale price $2,185.00 USD Regular priceUnit price per -
Fleece Performance NSBU Pigtail for 2004.5–2005 GM 2500/3500 Duramax with Allison Transmission
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price per
