In stock, ships in 1-2 days. KDD 110lb Polished Performance Valve Springs - USA Made Upgrade your valvetrain with KDD's USA-made 110lb Polished Per...

In stock, ships in 1-2 days. This kit features premium USA Made beehive valve springs, tool steel retainers, locks, spring seats, and valve stem se...

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

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

In stock, ships in 1-2 days. These springs offer bolt on performance enhancements to your 5.9 or 6.7 Cummins.  Our USA Made springs are built from ...

In stock, ships in 1-2 days.   Built Stronger. Engineered to Last.   The Kill Devil Diesel HD 12-Valve Cummins Cylinder Head is designed for custo...

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...

After months of testing we are excited to launch our high performance, high pressure IPR Valve for the 6.0L Powerstroke. This product is modified f...

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

In stock, ships in 1-2 days. Kill Devil Diesel 6.7 Powerstroke Performance Valve Springs

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...

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...

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...

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...

In stock, ships in 1-2 days. 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...

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...

Valve spring upgrade for the 7.3 Powerstroke Approximately 90psi 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...

 NEW 2020-2022 6.7 Powerstroke valve cover  NO Returns