600306STAUSOA18SB Speed of Air Short Block (STD/AUTO)

Features:

• Patented Speed of Air piston technology
• CNC-machined turbulators improve combustion efficiency
• Thermal barrier coated piston crowns
• Anti-friction coated piston skirts
• Potential fuel economy gains up to 25%+
• Lowers EGTs by 100-200 degrees
• Improves torque horsepower and pulling power
• Promotes smoother and quieter engine operation
• Reduced soot supports longer engine life
• Complete installation gasket kit included
• Includes oil pan and internal components
• Fits 2003-2006 6.0L Powerstroke applications

Make Your Powerstroke Rebuild Work Harder For You

A 6.0L Powerstroke rebuild is a serious investment, so it makes sense to choose a short block that brings more to the table than simply replacing worn components. The DFC Diesel 600306STAUSOA18SB Speed of Air Short Block gives 2003-2006 Ford F250 and F350 owners an upgraded foundation built around technology designed to improve the combustion process. Speed of Air reports fuel economy improvements reaching 15% to 25% or more in testing, along with EGT reductions of 100 to 200 degrees and smoother engine operation. Better combustion can also improve torque, horsepower, drivability, and pulling power, which matters when your Super Duty spends its time hauling equipment, towing a trailer, or handling everyday work. Reduced soot production is another valuable benefit because cleaner operation can help limit contamination and contribute to longer engine life with fewer service demands. The short block includes the oil pan, internal components, a complete installation gasket kit, and important instructions to help support the installation process. For owners already committed to rebuilding their Powerstroke, this assembly offers a practical way to combine fresh engine hardware with combustion technology developed to deliver meaningful benefits after the truck is back on the road.

Advanced Piston Design Puts Combustion To Better Use

The defining technology inside this DFC Diesel short block comes from Speed of Air Hyperformance pistons, which use patented CNC machined indentations called turbulators across the piston tops. Rather than acting as a cosmetic piston modification, these precisely engineered features influence the boundary layer between the air and fuel mixture, the flame front, and the combustion chamber walls. Creating a thinner and more turbulent boundary layer allows the flame front to burn closer to the cooler chamber surfaces, helping improve overall combustion efficiency. Each piston crown also uses an aerospace proven thermal barrier coating that retains more heat within the combustion event, helping turn that energy into useful efficiency and power. The piston skirts receive an anti friction coating to minimize abrasion and resistance as the pistons move through the cylinders, supporting both efficiency and smooth operation. Speed of Air specifies that this technology is produced to exact tolerances under ISO 9001 quality standards, while the custom piston kits are manufactured by licensed producer United Engine and Machine Co. With specialized piston geometry and purpose selected coatings working together inside the assembly, this short block takes a more engineered approach to rebuilding the 2003-2006 6.0L Powerstroke.

Fitment: 2003, 2004, 2005, 2006 Ford F250/F350 6.0L Powerstroke

Notes:

• Designed for 2003-2006 Ford 6.0L Powerstroke applications.
• Intended for standard and automatic transmission configurations.
• This is a short block assembly, not a complete engine.
• Manufacturer notes indicate front cover is not included.
• Manufacturer notes indicate rear cover is not included.
• Includes oil pan and internal engine components.
• Complete installation gasket kit is included.
• Important installation instructions are supplied.
• Reported performance gains are based on manufacturer testing.
• Actual fuel economy and emissions results may vary.
• Professional installation is recommended for proper setup.
• California Proposition 65 warning applies.
• Core Charge: $2,900