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UNITED ENGINE AND MACHINE

SPEED OF AIR HYPERFORMANCE PISTON SET FOR 07.5-18 6.7L CUMMINS

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SKU:
XA7201-STDK1 | XA7201-0.5K1 | XA7201-1.0K1
MPN:
XA7201-STDK1 | XA7201-0.5K1 | XA7201-1.0K1
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  • SPEED OF AIR HYPERFORMANCE PISTON SET FOR 07.5-18 6.7L CUMMINS
  • SPEED OF AIR HYPERFORMANCE PISTON SET FOR 07.5-18 6.7L CUMMINS
  • SPEED OF AIR HYPERFORMANCE PISTON SET FOR 07.5-18 6.7L CUMMINS
$5,301.67

Description

Speed of Air® (SoA) Engine Technologies has developed patented technology to enhance the efficiency of medium-duty Cummins®, Powerstroke® and Duramax® engines, providing measurable performance and fiscal benefits. SoA’s patented piston treatment on its Hyperformance Pistons™ provides increased torque, horsepower, reduced emissions and greatly improved fuel efficiency. These improvements also contribute significantly to extending engine life and reducing service intervals. The fuel savings alone, documented by independent commercial users, are as much as 25 percent and more, a critical aspect for fleets facing higher fuel prices.
 
United Engine and Machine (UEM) Speed of Air is a patented technology that improves the performance and efficiency of engines: 
 
 
  • Piston and ring kit
    The kit includes pistons with machined dimples and a ceramic coating that creates a turbulent boundary layer between the combustion chamber walls and the incoming air/fuel mixture. This improves combustion efficiency. 
     
     
  • Hyperformance diesel pistons
    These custom-made pistons are designed to provide performance throughout the life of the engine. Benefits include increased horsepower and torque, longer oil change intervals, and longer life for lubricated bearing surfaces. 
     
     
  • Reduced emissions
    Speed of Air technology can reduce emissions. 
     
     
  • Improved fuel efficiency
    Independent commercial users have documented fuel savings of up to 25% or more. 
     
     
  • Extended engine life
    Speed of Air technology can extend the life of the engine and reduce service intervals. 
     
     
     

    Product Specifications for XA7201-STDK1

    Sold As Piston Set with Rings
    Engine Manufacturer Cummins
    Engine Family 6.7L I6 24V ETJ/ETK 2007-2018
    Oe Assembly 4938619
    Year Range 2007-2013
    Bore (in) 4.212
    Bore (mm) 107
    Stroke (in) 4.882
    Stroke (mm) 124
    Eng. Disp. Liters 6.7
    Eng. Disp. In. 409
    Oversizes STD .50mm 1.0mm
    Rod (in) 7.56
    Rod (mm) 191.97828
    Compression Height IN 2.734
    Compression Height MM 69.45
    Crown (cc) +51.4cc
    Compression Ratio 17.2:1
    Pin Type Floating
    Pin Diameter (in) 1.575
    Pin Diameter (mm) 40
    Ring Pack 2.87K, 2.5mm, 3.46mm
    Piston Material KSA1295
    Top Land 0.315

     

     

     

    Product Specifications for XA7201-0.5K1

    Sold As Piston Set with Rings
    Engine Manufacturer Cummins
    Engine Family 6.7L I6 24V ETJ/ETK 2007-2018
    Oe Assembly 4938619
    Year Range 2007-2013
    Bore (in) 4.212
    Bore (mm) 107
    Stroke (in) 4.882
    Stroke (mm) 124
    Eng. Disp. Liters 6.7
    Eng. Disp. In. 409
    Oversizes STD .50mm 1.0mm
    Rod (in) 7.56
    Rod (mm) 191.97828
    Compression Height IN 2.734
    Compression Height MM 69.5
    Crown (cc) +51.4cc
    Compression Ratio 17.2:1
    Pin Type Floating
    Pin Diameter (in) 1.575
    Pin Diameter (mm) 40
    Ring Pack 2.87K, 2.5mm, 3.46mm
    Piston Material KSA1295
    Top Land 0.315

     

     

    Product Specifications for XA7201-1.0K1

    Sold As Piston Set with Rings
    Engine Manufacturer Cummins
    Engine Family 6.7L I6 24V ETJ/ETK 2007-2018
    Oe Assembly 4938619
    Year Range 2007-2013
    Bore (in) 4.212
    Bore (mm) 107
    Stroke (in) 4.882
    Stroke (mm) 124
    Eng. Disp. Liters 6.7
    Eng. Disp. In. 409
    Oversizes STD .50mm 1.0mm
    Rod (in) 7.56
    Rod (mm) 191.97828
    Compression Height IN 2.734
    Compression Height MM 69.45
    Crown (cc) +51.4cc
    Compression Ratio 17.2:1
    Pin Type Floating
    Pin Diameter (in) 1.575
    Pin Diameter (mm) 40
    Ring Pack 2.87K, 2.5mm, 3.46mm
    Piston Material KSA1295
    Top Land 0.315

    The SoA patented technology primarily consists of precise, CNC-machined indentations on the piston top, called turbulators, but most often described simply as “dimples.” This precisely designed and manufactured technology is executed to exacting tolerances under ISO 9001 quality standards. These turbulators create a thinner, well-attached boundary layer between the air-fuel mixture, its flame front and the combustion chamber walls. This thin, turbulent layer allows the combustion flame front to burn much closer to the cool metal walls of the combustion chamber, thereby increasing overall combustion efficiency. The result is significant reductions in fuel consumption, reduced emissions, increased torque and horsepower, improved drivability and pulling power. Lower soot emissions translates to better engine longevity and fewer service intervals.

    SOA’s Hyperformance pistons also includes the application of aerospace-proven thermal barrier and anti-friction coatings on the piston crowns and skirts, respectively. The thermal barrier coating retains heat in the combustion process, thus providing additional efficiency and power. The anti-friction coating minimizes abrasion and resistance for even more efficiency. The combined technologies of a Speed of Air Hyperformance piston provide documented and significant benefits with a distinct value proposition.

    Lab tests as well as years of real-world operational field testing in a wide variety of applications confirm the results. Notably, DFC Diesel, an innovative industry leader and Canada’s largest diesel engine remanufacturer, has been independently testing SoA technology for nearly two years in more than a dozen Dodge, Ford and Chevy trucks. DFC’s testing has been so successful that this company is now offering an entire line of Speed of Air® remanufactured engines.

    During testing, DFC Diesel observed fuel consumption reductions of 25% or more with factory tuning, an average of 5% increases in torque and horsepower, NOx reductions as high as 80%, and the ability to extend oil change intervals by 50% due to decreased soot and fuel dilution. Observed benefits also include reduced regeneration cycles, DEF consumption, and visible exhaust/opacity, along with noticeably smoother and quieter operation.

    To manufacture these custom piston kits, SoA has licensed United Engine and Machine Co. (UEM), a leading manufacturer of pistons with over 100 years of experience and a well-earned reputation for quality. As a family-owned and operated company, UEM has in-house design, development and manufacturing capabilities that allow this firm to meet nearly every type of engine’s piston needs.

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