KDD 6.0 Powerstroke O-Ring Cylinder Heads - Pair Cylinder Heads Feature: Track tested, proprietary O-Ring setup. 32 Tungsten Carbide hardened val...

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...

KDD 6.4 Powerstroke O-Ring Cylinder Heads, Pair Cylinder Heads Feature: Track tested, proprietary O-Ring setup. 32 Tungsten Carbide hardened valv...

KDD 6.7 Cummins 24v Cylinder Head 2007.5-2019 ISB Features: 100% Freshly Cast 6.7 Cummins Cylinder Head Includes Valves, Springs, Retainers, Seals...

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

We're proud to present the most comprehensive valvetrain innovation for the Powerstroke platform to date.  These were developed in conjunction with...

Fully Assembled 5.9 24 Valve ISB Cummins Cylinder Head Features: 100% New Casting, Assembled with USA Made Valves and Springs Includes premiu...

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,...

We're proud to present the most comprehensive valvetrain innovation for the Powerstroke platform to date.  These were developed in conjunction with...

Fully Assembled 5.9 24 Valve VP44 Cummins Cylinder Head Next Day Shipping available as of November 2024! Features: 100% New Casting, Assemble...

KDD 5.9 12 Valve Cummins Cylinder Head Next Day Shipping available as of November 2024! Features: 100% New Casting, Assembled with USA Made V...

Fully Assembled 5.9 24 Valve VP44 Cummins Cylinder Head Next Day Shipping available as of November 2024! Features: 100% New Casting Includes premiu...

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! 

Set of 16 3/8 body 

KDD is proud to present our exclusive line of Jesel rocker arms for the 6.6L GM Duramax.  We had the honor of working with the world renowned valve...

Valve spring upgrade for the 7.3 Powerstroke Approximately 90psi springs