2003-2009 Cummins Ultimate ISX DOHC Overhaul Package

Extend the life of your Cummins ISX engine with high-performance parts designed for durability, power, and efficiency. For a limited time, Save $1,400 on this complete overhaul package!

The Overhaul Package Your ISX Engine Deserves

Your engine works hard—don’t trust its rebuild to anything less than the best. The PDI Big Boss ISX DOHC Overhaul Package is engineered for maximum durability, power, and longevity, ensuring your truck performs at its peak for years to come.

This complete package includes precision-built pistons, a high-strength cylinder head, and premium oil and water pumps—all made with top-quality materials to withstand extreme conditions. With $1,400 in savings, there’s never been a better time to invest in your engine’s future.

🚨 Limited-Time Offer: Save $1,400 on the Full Overhaul Package!

What’s Included?

• Big Boss Inframe Kit – High-quality pistons, liners, & gaskets for optimal performance.
• Stage 1 Cylinder Head – High-nickel casting & Inconel valves for extreme durability.
• Oil Pump – Ensures reliable lubrication & extends engine life.
• Water Pump – High-efficiency cooling to prevent overheating

Get the Full Package & Save $1,400 Today!

Have questions? Our team of experts is here to help! Call 800-511-1231

Don’t wait—give your Cummins ISX engine the upgrade it deserves while this offer lasts! 

PDI Big Boss Inframe Kit for Cummins ISX DOHC | 6429518:

Introducing the PDI Big Boss In-frame Overhaul Kit for Cummins ISX DOHC engines. This kit features the highest quality and most complete solution for longevity and performance. With high quality steel pistons, top-of-the-line compound in all gaskets and o-rings, and precision quality working components, this kit guarantees optimal engine performance. 

PDI Big Boss Cummins ISX DOHC Stage 1 Cylinder Head:

PDI Big Boss Cummins ISX Stage 1 Cylinder heads are meticulously designed to surpass the most demanding expectations, making them the perfect choice for heavy-duty applications in trucking, construction, agriculture, and more. They exemplify our unwavering dedication to innovation and superior quality. Each Stage 1 Cylinder Head is built with all Inconel valves, known for their exceptional strength and resistance to extreme temperatures, ensuring unparalleled durability and performance.

PDI Cummins Oil Pump for ISX | X15:

Upgrade your Cummins ISX or X15 engine with the PDI Cummins Oil Pump. Featuring a premium new casting and internal components, this oil pump ensures optimal performance and comes with a 1 year warranty for peace of mind. Don't settle for less when it comes to the heart of your engine.

PDI Cummins Water Pump for ISX and X15 | 5719755:

Improve the reliability of your Cummins X15 or ISX engine with the PDI Water Pump. Made with all new components and casting, this water pump is not remanufactured, ensuring top-quality results.