LML Duramax Suspension and Driveline

Behold: The pinnacle of off-road performance and smooth ride quality in an affordable package has arrived with Rough Country's 2.5 Vertex 8-Stage A...

Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

Behold: The pinnacle of off-road performance and smooth ride quality in an affordable package has arrived with Rough Country's 2.5 Vertex 8-Stage A...

Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

Right off the lot The GM 2500 HD has an impressive stance and a killer look, inspiring Rough Country to build a kit that would add crucial enhancem...

Right off the lot The GM 2500 HD has an impressive stance and a killer look, inspiring Rough Country to build a kit that would add crucial enhancem...

Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged...

S&B Mounts are designed to replace all non-hydraulic mounts and drastically improve ride quality over deteriorated mounts. Replacing the OEM re...

These bushings offer great vibration isolation and will not crack or breakdown like the OEM foam or rubber bushings. Also comes with corrosion resi...

Fits; 2011-2022 Chevrolet/GMC 2500/3500 HD Part# KRS189 *Sold Individually  Fox direct replacement shocks deliver race-winning performance in a sim...

Fits; 2011-2022 Chevy/GMC 2500/3500HD LML-L5P Part# KRS161 The 5100 Series offers traditional Bilstein technology for your Duramax. 5100 Series sho...

Fits; 2011-2019 CHEVY/GMC 2500/3500 HD Part# KRKEY11 Torsion Bar Adjuster Kit (Keys) 2 inch lift These forged re-clocked keys will help get your ve...

Fits; 2011-2022 CHEVY/GMC 2500/3500 HD PART# KRSE11 Use these upper shock extension brackets to extend your factory length shocks to allow your sus...

Fits; 2011-2019 GM HD Trucks 2500/3500 Part# KR11STAGE3FOX (This Package is designed to level the front of LML trucks a maximum of 2 inches! Any ...

Fits; 2011-2019 GM HD Trucks 2500/3500  Part# KR11STAGE2 (This Package is designed to level the front of GM trucks a maximum of 2 inches! Any adju...

Fits; 2011-2019 Chevy/GMC 2500/3500 HD Part# KR11STAGE1 Kryptonite 2" leveling package includes torsion bar adjuster keys and shock spacers.  Get 2...

Fits; 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks, Chevy and GMC 2001-2013 2500 2WD/4WD SUVs and Hummer H2, H...

Part# KRS664 *Sold Individually  Fox direct replacement shocks deliver race-winning performance in a simple direct replacement bolt on shock. Each ...

Fits; 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks Part# KRS742 The 5100 Series offers traditional Bilstein te...

Fits; 2001-2010 2500 / 3500 GM HD Truck Part# KRSE10 Kryptonite Shock Extensions are the easiest way to space your stock length shocks to the corre...

Part# KRS735 The 5100 Series offers traditional Bilstein technology for your GM Truck. Their 5100 Series shock absorbers are designed for specifi...

Cranking up the factory torsion bars and keys overloads the adjusters and limits suspension travel, creating a harsher ride and accelerating front-...