Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with...

Replacement connector with 4.5 inch pigtail for use in multiple locations on the Duramax, Ram with Cummins, and other GM vehicles. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you...

FASS Fuel Systems Dura-Max Diesel System 2001-2010 GM Duramax 6.6L (DMAX7001) Part No: DMAX7001 Duramax diesel engines do not come with a factory System, this is why Duramax owners see such great performance and economy gains after installing an aftermarket diesel fuel System. When...

Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo. Valley CP3 Block Off Plate for 2001-2016 Duramax Features: Block Off Plate O-ring Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Billet Aluminum CP3 Pulley Deep Offset, Black Anodize Finish. Twin CP3 Pulley Deep Offset for 2001-2016 Duramax Black Anodized Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Billet Aluminum CP3 Pulley Deep Offset, Raw Finish. Twin CP3 Pulley Deep Offset for 2001-2016 Duramax Raw Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX

Stainless steel machined nut for CP3 Pump with Billet Pulley. Twin CP3 Mount Nut for 2001-2016 Duramax Stainless Vehicle Fitments 2001-2016 GMC 6.6L DURAMAX 2001-2016 CHEVROLET 6.6L DURAMAX