Sierra 2500 HD

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 Adjustable Reservoir Shocks. These high-performance reservoir shocks offer an elite ride-quality in every...

FeaturesFits up to 33" tiresBolt-on installationAdditional ground clearanceQuickly return to stock4140 forged steelStock ride qualityFeaturesFits up to 33" tiresBolt-on installationAdditional ground clearanceQuickly return to stock4140 forged steelStock...

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 enhancements while taking nothing away from this sharp looking, new model truck. The 5" V2 Suspension Lift for GM...

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 enhancements while taking nothing away from this sharp looking, new model truck. The 7.5" M1 Suspension Lift for GM...

This BladeRunner GT Series Intercooler represents the next generation of intercoolers, utilizing a 2-5/8in bar and plate core design, making it larger than stock.End Tanks:The unique BladeRunner end tanks are constructed out of 3/16in TIG-Welded aluminum...

This BladeRunner GT Series Intercooler with tubes represents the next generation of intercoolers by utilizing a 2-5/8in bar and plate core design and larger tubes to outflow stock by 10%.End Tanks:The unique BladeRunner end tanks are constructed out of...

Mishimoto has expanded our line of Duramax performance parts to include a performance intercooler for the Chevrolet/GMC 6.6L Duramax L5P. High intake temperatures can reduce performance and potentially cause engine damage if left unchecked. Protect your...

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 enhancements while taking nothing away from this sharp looking, new model truck. The 5" N3 Suspension Lift for GM...

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 enhancements while taking nothing away from this sharp looking, new model truck. The 5" M1 Suspension Lift for GM...

Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's Monotube V2 Shocks feature an...

GM designed the 6.6L L5P Duramax around the lifestyle of their customers. Tough, dependable, and rugged. Unfortunately, the Duramax's plastic cooling components, specifically the radiator, don't exhibit the same attributes. Luckily, the Mishimoto...

Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the6.6L Duramax L5P is an absolute workhorse. However, as with any factory vehicle, some systems have limitations and areas that can be improved. Our...