LML Duramax Parts

Designed to reduce body roll so you have better vehicle control and greatly improves traction for safer driving. These HD Sway Bars are developed f...

We have bundled everything you need in a leveling kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components and Fox shoc...

We have bundled everything you need in a leveling kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components and Fox shoc...

The Cognito Tubular Series LDG Traction Bar Kit feature tubular traction bar construction, and adjustability that enables you to control unwanted a...

The Cognito Tubular Series LDG Traction Bar Kit feature tubular traction bar construction, and adjustability that enables you to control unwanted a...

The Cognito SM Series LDG Traction Bar Kit feature heavy-duty boxed sheet metal construction and adjustability that enables you to control unwanted...

Fits: 2011 to 2019 Chevrolet Silverado 2500 HD; 2011 to 2019 Chevrolet Silverado 3500 HD; 2011 to 2019 GMC Sierra 2500 HD; 2011 to 2019 GMC Sierra ...

The Cognito SM Series LDG Traction Bar Kit features a heavy-duty boxed sheet metal construction with adjustability that enables you to control unwa...

This traction bar kit is a direct fit for 6.5-10 Inch of rear lift.Designed to help prevent axle wrap this traction bar kit features FK rod ends at...

This traction bar kit is a direct fit for 0 to 6 Inch of rear lift.Designed to help prevent axle wrap this traction bar kit features FK rod ends at...

Torsion bar keys are used to set the ride height of the front of the truck and are commonly used in leveling kits, and it is important to set the h...

Give your Cognito traction bar system a clean, customized finishing touch with the Cognito Enhancement Plate Kit. Designed to complement select Cog...

Cognito 1in Uniball Internal Retaining Ring Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN.Quest...

Upgrade your truck’s rear suspension with the Cognito 1.0-Inch Block and U-Bolt Kit, designed to provide a clean, functional lift while maintaining...

The Cognito SM Series Upper Control Arms are designed to provide improved performance, style, and function for stock, leveled, and lifted applicati...

This bracket provides additional clearance around the CV head on Cognito drivelines by relocating the shift linkage. Made in the USA.Notes:Required...

Cognito CV Front Driveline Kit For 7-9 Inch 10-12 Inch Lifts On 01-16 Silverado/Sierra 2500HD/3500HD Duramax. This direct bolt in driveline feature...

Cognito CV Front Driveline Kit For 4-6 Inch Lift-Duramax/ 4-12 Inch Lift-Gas On 01-16 Silverado/Sierra 2500/3500/ 7-12 Inch Lift On 99-06 Silverado...

Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf pa...

Used with short wheel base trucks with tall lift where no tapered blocks were available.Includes 2 shims and 2 center pins to bolt shims to leaf pa...

The Cognito Comfort Ride Torsion Bars feature a reduced rate which offers a superior ride in comparison to the stiff OEM torsion bars.Built to OEM ...