This is a garage - sale item. All products are final sale, no returns accepted. The item is brand new. It fits 2004.5 - 2007 Dodge with 5.9L Cummins. The Dynomite Diesel DDP 325 - SMNZ is a custom - made nozzle set. It's great for 5.9L Cummins engines aiming for 675RWHp or more. We suggest testing the health of used injectors and balancing them as a set after installing the nozzles. These nozzles are built to order after you sign the race waiver. Features include the ability to reach 675RWHP or greater, custom - built design, no warranty or returns, and it comes with new copper washers and an injector hold - down tool.

Using this Cummins nozzle set is straightforward. First, make sure to test the health of your used injectors before installation. This will help you avoid potential issues down the road. After that, install the nozzles and balance the injectors as a set. Remember, these nozzles are custom - built for 5.9L Cummins engines aiming for 675RWHp or more, so they should work great in the right setup. As for maintenance, keep an eye on the injectors and the nozzles. Check the copper washers regularly for any signs of wear and replace them if needed. Also, since there's no warranty or returns, handle the installation carefully. And don't forget, these nozzles are built to order after you complete the race waiver, so make sure you've got all the necessary paperwork done.