2004.5-2005 Duramax LLY 6.6L

RDS LLY/LB7/LMM 64MM/2.5 Legal Drop In Stock Appearing Turbo. This Turbo Will Support 650Rwhp With Proper Fueling/Supporting Mods! Comes With 2 Year Warranty Against Manufacture Defects. Features Brand New Turbo/ No Core Charge! 6 Blade...

RDS LLY/LB7/LMM 68MM/Drop In Stock Appearing Turbo. This Turbo Will Support 800Rwhp With Proper Fueling/Supporting Mods. Comes With 2 Year Warranty Against Manufacture Defects. Please Note: This Is The Race Version Of Our 68MM Series. This Will...

RDS LLY/LB7/LMM 66MM/Drop In Stock Appearing Turbo. This Turbo Will Support 700Rwhp With Proper Fueling/Supporting Mods! Comes With 2 Year Warranty Against Manufacture Defects.  Features Brand New Turbo/ No Core Charge! 6 Blade Compressor...

04.5-10 RDS Brand New Pro Stock Turbo For LLY/LB7/LMM For Chevrolet GMC Duramax Diesel. One Big Feature Is No Retunes Required, This Is Drop-In Can Be Used On A Stock Truck. No Core Charge! Turbo Features Stock Size 6 Blade Compressor Wheel 10...

WaveStopper design, which features concentric waves embossed around the combustion chamber (in the spring steel active layer) allowing the head gasket to adapt to varying loads and pressures, for stock or modified engines.

WaveStopper design, which features concentric waves embossed around the combustion chamber (in the spring steel active layer) allowing the head gasket to adapt to varying loads and pressures, for stock or modified engines.

Smeding diesel S300 Turbo Kit for 04-10 model Duramax Pickups.This kit includes the necessary parts to run an S300 frame turbo on a duramax powered truck.Kit includesT4 PedestalSmeding S300 Turbo3.5" downpipe that works with factory Exhaust or...

Power Levels: Tow - 30hp Economy - 60hp Street - 90hp Race - 120hp Max Effort - 150hp (200hp if Built Trans with Trans Tuning) Includes: Autocal Device preloaded with selected tune(s) OBD Cable USB Cable Instructions Add ons: Switch...

Clean up the engine bay of your 1999-2019 GM 1500/2500/3500 truck with this anodized billet aluminum brake reservoir cap from WCFab. This is a complete cap not a cover. Direct OEM replacement. CNC machined in the USA from billet aluminum. Reuses your OEM...

Put the Smashed Performance Coolant Block Off Plate in your GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engine. The factory cover uses a gasket and over time the plate can warp, and the gaskets...

The Smashed Performance WIF Sensor delete plug  is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WIF) Sensor in your 2001-2016 GM 6.6L Duramax. The factory sensor is made of plastic and often times just...

Install the Allison 29546972 Pressure Switch Assembly to your 2001-2019 GM 6.6L Duramax and get an OEM replacement component. Made to stock specifications, this product is constructed from quality materials. Ideal for maintaining a factory ride, this...

Use the Allison 29542824 Deep Pan Transmission Filter when installing a deep transmission pan on your 2001-2019 GM 6.6L Duramax. This filter is a genuine Allison replacement so you know it will fit and perform perfectly in your Allison 1000...

Cat Fuel Filter Adapter for 2001-2014 Duramax

  The BMP Cat Fuel Filter Lift Pump is a high quality replacement for the problematic fuel filter housing on the 01-16 Duramax trucks. Never have to prime the Vacuum pump again and help lengthen the life of your injection pump and injectors by...