Chromoly Pushrods Description: LEAD TIME APPLIES Upgrade the pushrods in your 6.0 with a set of KDD's track proven one piece chromoly pushrods.  We...

OE replacement lifters.    Don't forget to add lifter guides!

Stock Plus (Stage 1/Standard)      For a mild bump over used factory springs, we use these quality USA made valve springs as the standard spring fo...

This kit features premium USA Made beehive valve springs, tool steel retainers, locks, spring seats, and valve stem seals for your 2001-2016 Durama...

KDD spec heavy duty pushrods are a drop in replacement for the weak factory pushrods, add a set to your next build to prevent failure.  These are s...

These springs offer bolt on performance enhancements to your 5.9 or 6.7 Cummins.  Our USA Made springs are built from the highest quality material,...

Upgrade the valves in your Duramax to these premium stainless intake/inconel exhaust valves, nitride coated and swirl polished for lasting quality ...

Semi to High Performance Used for multiple applications such as Sportsman, Marine, LS and Factory Performance engines Provides approximately 170,0...

KDD's chromoly pushrods are tough enough to handle anything you can throw at them, used in all of our Cummins engines built in house, these are mad...

THESE ARE INDIVIDUALLY SOLD PUSHRODS Upgrade the pushrods in your 6.0 with a set of KDD's track proven one piece chromoly pushrods.  We use these i...

This kit includes KDD chromoly pushrods, and USA made KDD valve springs, available in 80, 100, and 120 lb increments!