2007.5-2010 Duramax LMM 6.6L

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.

Power Levels: Tow - 30hp Economy - 60hp Street - 90hp Race - 120hp Max Effort - 150hp Includes: Autocal Device preloaded with selected tune(s) OBD Cable USB Cable Instructions Add Ons: Switch - Change Power Levels Transmission...

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...

The Allison 29542692 NSBU (Neutral Start Back Up) Switch is an OE replacement for your 2006-2016 GM 6.6L Duramax. Ideal for maintaining a factory ride, this part has a stock fit and finish. Made to stock specifications, this product is constructed...

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...

 If you are running an Aftermarket Lift Pump with Filters this Kit is a must! Benefits Completely eliminates the problematic leaky factory fuel filter head Includes and Retains Water In Fuel Sensor Removes factory fuel...

  The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades and other modifications that increase boost require more valve control. The XDP Performance Valve...

The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can...

  The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your...