Quick Ship SKU #: XDP-XD390 XDP Heavy Duty High Boost Valve Spring Set 98.5-22 Dodge Ram 5.9L / 6.7L Cummins

One of the most overlooked performance parts in most 24V Cummins performance builds is the valve-springs. They may not be something you can see, but we can assure you, they are essential in ensuring your engine is operating properly with all your other performance parts. The factory springs are not designed to handle the elevated boost levels that are typical in modified applications causing valve float. This will drastically hurt your engine performance. This kit is a must have for your performance build.

This kit features improved valve control with increased spring pressure to minimize valve float over a standard spring. Unlike other valve springs on the market, this kit can be used on a wide range of trucks, from stock to performance builds. This is a perfect one-and-done upgrade that lets you modify your engine for more power down the road. Each spring is computer load mapped and then matched within 1 lb of seat pressure followed by a stress relief process to ensure quality and long term reliability. This set re-uses your locks and retainers, and is backed by a 1 year manufactures unlimited mileage warranty.

This valve spring set is ideal for the enthusiast that is running an aftermarket cam, upgraded or compound turbo kits, and fueling upgrades. These springs are ready to install using your factory retainers and locks. These springs have a reduced OD and will fit all 1998.5-2002 cylinder heads regardless of casting inconsistencies.

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