Products

Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

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...

This is our smallest upgrade. We modify your injector to flow 20cc over stock. You will see a gain in fuel economy and low end torque. With these...

Warren Diesel Stock OEM Replacement Injector - SINGLE. We remanufacture all internal mating surfaces, inspect all pieces of the injector, replace...

This is our most popular injector. They flow 40cc’s of fuel over stock. These injectors are a great all around set. They are capable of 500 RWHP...

This injector is capable of 575 RWHP. They pair well with a stage 2 or bigger VGT charger and do very well with a S362 or larger fixed geometry tur...

These are the biggest conventional injectors you can run on a stock HPOP. They are capable of 650 RWHP. They pair well with Stage 3 VGT turbos and ...

Mount your LED rocker switches exactly how you want with Rough Country's Light Switch Housing Kits. Choose our single panel to house an individual ...

Smeding Diesel 2007.5-18 6.7L Cummins Intake horn 5 - 1/8" NPT BOOST PORTS  Aluminum Casted for superior cooling and strength. This intake h...

IN STOCK Does not include gasket (these no longer need the fuel line, so they will be excluded from the order) Smeding Diesel 2007.5-18 6.7L ...

Smeding Diesel TrueFlow Bundle If you're looking for an all in one cure to the restrictive factory Cummins horn and highly dangerous factory gri...

This kit replaces the factory CCV components with quality parts made right here in the USA and stops oil vapors from being recirculated through the...