5.9 12V (1989-1998) Cummins

🔧 Universal Boost Leak Tester Kit – Billet Plug, Silicone Coupler & T-Bolt Clamps | Turbo Inlet Pressure Test Tool Eliminate hidden performance loss and increase power by tracking down boost leaks the right way. Our Universal Boost Leak Tester Kit is the most...

Our Tappet Cover works with VE, VP, and P-Pump Cummins engine. If you are looking for a nice top of the line tappet cover for your current build or replacing a leaking cover, this will be the perfect setup for you! Key Features: -...

🚀 Turbo Screen Guard with Velocity Stack – High-Flow Protection in Style Protect your turbo without sacrificing performance. Our Turbo Screen Guard with integrated Velocity Stack is engineered for maximum airflow while offering protection from large debris. Built for high-performance turbo and supercharger setups, this...

Our Tappet Cover w/ Oil Separator features an oil catch can with an internal baffle system that helps keep the oil inside the crankcase where it belongs! If your looking for a Tappet Cover, this will be the perfect setup for you! Key Features:...

When installing a bottom sump with your AirDog or Fass Pump most trucks end up with an open fuel supply and or return line. Our 1/2", 3/8" or 5/16" aluminum plug will cap off these lines with ease, to keep fuel from seeping out...

- Highest lubricity rating of the 17 brands tested.- Level “A” rating in NACE corrosion test.- Increases life of high pressure fuel system components.- Boosts cetane up to 5 points.- Increases fuel economy up to 10%.- Maintains clean injectors.- Separates moisture for more thorough...

Having cold start troubles? Give Exergy Performance Winter Blend Diesel Fuel Additive a try!Winter Blend provides the ultimate in protection and longevity for diesel injectors and fuel pumps by increasing the fuel’s lubricity to exceed the recommendations of the Engine Manufacturers Association and provides...

Having cold start troubles? Give Exergy Performance Winter Blend Diesel Fuel Additive a try!Winter Blend provides the ultimate in protection and longevity for diesel injectors and fuel pumps by increasing the fuel’s lubricity to exceed the recommendations of the Engine Manufacturers Association and provides...

Having cold start troubles? Give Exergy Performance Winter Blend Diesel Fuel Additive a try!Winter Blend provides the ultimate in protection and longevity for diesel injectors and fuel pumps by increasing the fuel’s lubricity to exceed the recommendations of the Engine Manufacturers Association and provides...

- Highest lubricity rating of the 17 brands tested.- Level “A” rating in NACE corrosion test.- Increases life of high pressure fuel system components.- Boosts cetane up to 5 points.- Increases fuel economy up to 10%.- Maintains clean injectors.- Separates moisture for more thorough...

- Highest lubricity rating of the 17 brands tested.- Level “A” rating in NACE corrosion test.- Increases life of high pressure fuel system components.- Boosts cetane up to 5 points.- Increases fuel economy up to 10%.- Maintains clean injectors.- Separates moisture for more thorough...

🛠️ Water Bypass Valve Replacement – Direct Fit for Diesel & Performance Applications Restore proper coolant flow and avoid overheating with this Water Bypass Valve Replacement—designed as a direct-fit solution for worn or leaking bypass valves in high-performance and diesel engine cooling systems. A failing water...

Our intake manifold flanges for the 5.9 Cummins are CNC machined in house from 6061 aluminum Key Features: - They are designed to fit a 3.5” OD tube and are multi axis machined to ensure proper air flow - This flanges are perfect for...

This is a billet aluminum 2" intake horn spacer! GRD59CM1003 Key Features: Compatible with: Air Intake, Cummins

If you own a 12 valve or 24 valve Cummins and have thought it would be cool to be able to install the larger 6.7 Cummins intake horn… Key Features: - now you can! This intake plate will replace your current plate and will...

🛠️ 5.00" Air Intake Pipe – Twin Turbo | Fits 1994–2002 Dodge Cummins (2nd Gen) This  5.00" Air Intake Pipe is the same pipe used in our proven 2nd Gen twin turbo kits for 1994–2002 Dodge Cummins trucks. Built for high-flow performance, this intake pipe is...

🚀 Turbo Screen Guard with Velocity Stack – High-Flow Protection in Style Protect your turbo without sacrificing performance. Our Turbo Screen Guard with integrated Velocity Stack is engineered for maximum airflow while offering protection from large debris. Built for high-performance turbo and supercharger setups, this...

🛠️ Universal Boost Leak Tester Kit – Fits Most Turbocharger Inlets | Billet Plug, Silicone Coupler & T-Bolt Clamps Boost leaks rob your turbocharged engine of power, response, and efficiency. The best way to find them? Pressurize the entire intake system—and our Boost Leak...

🔍 Universal Turbo Boost Leak Tester Kit – Billet Plug, Silicone Boot & T-Bolt Clamps Stop chasing down boost leaks the hard way—pressurize your entire intake system and locate leaks quickly with our Universal Boost Leak Tester Kit. Designed to fit virtually any turbocharger inlet,...

🛠️ 2G Twin Intercooler Pipe – Fits 1994–2002 Dodge Cummins | Stainless Diesel Twin Kits This 2G Twin Intercooler Pipe is designed specifically for use with Stainless Diesel twin turbo kits on 1994–2002 Dodge Ram Cummins trucks. Built to handle high boost and deliver smooth airflow, this pipe connects...

🛠️ Boost Leak Tester Kit – Fits HX35 / HX40 Turbo Systems | Prevent Turbo Failure | Pressurize & Diagnose Intake Leaks Protect your turbo investment with this Boost Leak Tester Kit—designed specifically for Cummins-powered builds running HX35 and HX40 turbochargers. Whether you're installing...

Dress up that old 12 valve with our billet aluminum individual valve covers! With extra clearance for valvetrain and studs, they will fit perfectly on your daily driver or hotrod! They are roughly .250 taller than the factory covers. We have tested these to...