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

KDD 6.4 Powerstroke O-Ring Cylinder Heads - Performance Bundle Includes KDD O-Ringed cylinder heads, Mahle upper gasket set, and ARP head studs. Cy...

Black Friday Deal (11/23-12/1) Buy this Product, get a free set of pushrods here. Just have both in your cart for this automatic deal! Aluminum O-R...

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

LEAD TIME MAY APPLY Mahle MLS black diamond single cylinder head gasket. Fits 6.4L Ford engines. We use these gaskets on nearly all KDD engines we ...

PRICING IS PER GASKET Material: MLXBore Shape: RoundBore Size (MM): 103# of layers: 5Orientation: None Parts are manufactured to order Production ...

PRICING IS PER GASKET Material: MLXBore Shape: RoundBore Size (MM): 103# of layers: 5Orientation: None Parts are manufactured to order Production T...

Kill Devil Diesel 6.0 / 6.4 Powerstroke Chromoly Pushrods When it comes to pushing the limits of the 6.0 and 6.4 Powerstroke, stock pushrods just d...

ARP head studs are a must for any 6.4 Powerstroke making serious power.  These heavy duty head studs are rated at 220,000 psi tensile strength to g...

Complete top end gasket set for the Ford 6.4L Powerstroke. It comes with Black Diamond cylinder head gaskets.

Genuine Ford Top End Gasket Set This upper Reseal kit includes the dowels, gaskets, and o rings needed to install the heads, valve covers, exhaust,...

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 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...

Add efficiency and reliability to your order by adding coated combustion chambers to your set of KDD heads!  This service applies our same thermal ...

From our new builder series - KDD is proud to offer billet 6061 intake flanges for 6.0/6.4 ford powerstroke.  Ideal for making custom intake manifo...

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...

Flatout Gaskets RCC copper cylinder head gaskets are made with an exclusive rubber-coated copper process. The base metal is 100 percent soft anneal...

KDD can port your heads, KDD can even develop new ports for new engines through our custom induction program! For most engines porting will start o...