Sierra 3500 Classic

The Banks Ram-Air Intake System delivers exceptional airflow and air density. Its large cotton gauze air filter requires fewer cleanings than competitive filters (stock's small paper filter is not reusable). With its giant 7-1/8" outlet, streamlined...

This B&M Cast Aluminum Differential Cover for the 2001-2011 GM 2500/3500 truck as well as 2003-2013 Dodge/Ram 2500/3500 trucks is designed to strengthen the differential by preventing case distortion and ring gear & bearing cap deflection. Constructed of...

Excessive heat is the #1 killer of transmissions. Proper cooling of your transmission fluid is one of the most important things that you can do to increase the life of your transmission.Bar and Plate style coolers represent the latest technology. Within...

This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your Chevy/GMC 6.6L Duramax. Cast from high-quality aluminum and powder coated Gunmetal Gray, our transmission pan is a robust and long-lasting upgrade for your...

Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing...

Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing...

The Cognito 3 Inch Performance Leveling Kit contains everything you need to level your truck or SUV with high quality components.The Cognito 3 Inch Performance Leveling Kit includes the Cognito Ball Joint SM Series Upper Control Arm Kit, Torsion Bar...

Mishimoto has released a direct-fit performance aluminum radiator for the Chevrolet/GMC 6.6L Duramax. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100-percent brazed aluminum core and polished end...

Our FASS Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market that allows for adjustable fuel pressures to meet the demand of high-performance GM Duramax 6.6L applications...

A FASS Fuel System will be a very beneficial upgrade for your GM Duramax diesel engine, this is because your Duramax doesn't come with a factory System like other diesels. This requires your CP3/CP4 injection System to pull your fuel under a vacuum,...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn't come with a factory System like other diesels. This requires your CP3 injection System to pull your fuel under a vacuum, adding...

Our FASS Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market that allows for adjustable fuel pressures to meet the demand of high-performance GM Duramax 6.6L applications...