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...

Kill Devil Diesel Valves/Pistons Hoodie The same logo you love, now in a warm sweatshirt Available in sizes small-5XL!

The Original KDD T-Shirt is back, Small-5XL!!

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 ...

Valve Bridge for the Ford 6.4L Powerstroke Engine.  Sold individually, 16 needed for complete engine.     Please select New or Reconditioned

Aluminum O-Ringed Cylinder Heads Features & Details: Icon Series Install Notes Check out our teaser video here Valve covers are sold separa...

Aluminum O-Ringed Cylinder Heads Features & Details: 4-6 week lead time ICON SERIES INSTALL NOTES Check out our teaser video here Descr...

Ford Part # 3C3Z-9C968-AA is a Fuel Injection Pressure Regulator for the 6.0L 2003-2004 Ford Diesel Super-Duties. 3C3Z-9C968-AA is a top seller for...

Are you looking to re-build your own heads and want to use the best products out there?  Introducing KDD 6.0L Powerstroke Cylinder Head Valves in s...

Correct pushrod length will allow you to keep stock rocker geometry, allowing the friction surface of the rocker arm to ride the correct contact ar...

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

Correct pushrod length will allow you to keep stock rocker geometry, allowing the friction surface of the rocker arm to ride the correct contact ar...

Kill Devil Diesel 6.7 Powerstroke Performance Valve Springs

  Valve covers not compatible with Factory glow plug harness, ask for more details Become the bell of the ball, the envy of the neighborhood by top...

Are you looking to re-build your own heads and want to use the best products out there?  Introducing KDD 6.4L Powerstroke Cylinder Head Valves in s...

Using state of the art equipment Kill Devil Diesel will machine the valve seat profile (valve job) the cylinder heads.  Extra cost will apply if va...

 Valve covers not compatible with Factory glow plug harness, ask for more details Become the bell of the ball, the envy of the neighborhood by topp...

Become the bell of the ball, the envy of the neighborhood by topping off your KDD 6.0 engine with these gorgeous valve covers.  Made from a solid p...

From 2001 to 2016, Manton's Extreme Duty Billet Valve Bridges for 6.6L GM Duramax engines are designed for high stress applications. OEM bridges we...

Kill Devil Diesel now offers in house powder coating service to add to products purchased from KDD, or many customers have shipped us parts from al...

DESCRIPTION Ready to take that plain looking engine up a few notches? If you are then this is the product for you!    The Bean Machine valve covers...