Steel Through Hardened Cylinders

  •  Cylinder Large Promo

    Continuous improvements in manufacturing technology and advanced statistical process control have enabled Continental Motors to hone in on the center of the tolerance band. 



    Heritage NiC3 Cylinder CoatingContinental Motors has been innovating and leading the industry for over 110 years. Today, we bring to the market a new revolution: Nickel Silicon Carbide coating of our cylinders for Continental, other piston engines and Titan engines. This process offers corrosion resistance, abnormal wear resistance, increased strength, and an extended warranty extension of five years or TBO. If you fly less regularly than you wish, are based in a region where maritime or humid climate is prevalent, the NiC3™ cylinder family was designed for you!   




    Cylinder Coating ProcessCylinders are coated with the NiC3™ compound via electrolysis. An electrolytic nickel matrix is prepared, to provide perfect adhesion to the surface of the cylinder wall. Within this matrix are suspended minute particles of silicon carbide, which are almost diamond-hard. These particles are spread evenly throughout the matrix, and provide exceptional resistance to wear. The resultant coating becomes an integral part of the cylinder wall, and provides an extremely low friction coefficient, thus increasing the mechanical performance of the cylinder itself.  




    Nickel silicon carbide is a chemical compound coating of nickel and silicon carbide, a strong ceramic. It is much harder than steel, with performance attributes that first made their appearance in the engine cylinders of sports and race-cars. Continental now offers nickel silicon carbide (NiC3™) as an optional coating across its entire range of cylinder products. The increase in performance, wear-resistance and cylinder lifetime are among the many reasons more owners and operators are choosing NiC3™.



    Piston engines used infrequently are more prone to internal corrosion, since the oil layer left following operation slowly fades away over time through lack of use. A cylinder coated with NiC3™ actually absorbs and retains a layer of oil, keeping the cylinder surface coated much longer than a standard uncoated surface. This greatly increases the protection against corrosion in engines that are not used regularly.



    Since aviation engines breathe ambient air, moisture can enter as a result of daily variations in temperature. NiC3™ coating enhances and protects surface integrity and provides a strong barrier against corrosion, while improving cylinder performance. The coating process is performed under strictly controlled conditions, with consistent and uniform coverage of the entire cylinder.



    Our full range for Continental, Titan Experimental & ASTM-certified and FAA-approved cylinders for other piston engines are now available with the option of NiC3™ coating. These premium cylinders are backed by an additional warranty extension covering the new cylinder barrels for abnormal internal wear and/or corrosion for 5 years. 

    CYLINDER BARRELS start out as high grade aircraft quality, through-hardened 4140 forged steel. Then the cylinder bores, for our higher horsepower engines (300-500 series), go through a case hardening nitride process which gives the cylinder barrels excellent resistance to wear and greater durability at higher temperatures.


    • As a corrosion-resistance and initial break-in measure, barrels also receive a manganese phosphate coating.
    • Plateau honed finish created by a two-step hone process resulting in less friction, more contact area, and enhanced hone pattern.

    CYLINDER HEADS are machined on computer controlled machining centers. Custom designed computer controlled equipment is used in the assembly of the critical head to barrel joint.


    • Advanced automotive style one step valve guide and seat machining for excellent valve sealing.
    • High flow venturi intake valve seats allow for improved flow and efficiency.
    • Intake valve process utilizing a gradual curved geometry improving airflow and efficiency.
    • Precisely matched cylinders eliminate the need for volumetric flow codes.
    • Use of corrosion resistant, stainless steel exhaust studs.
    • Exhaust valve rotators for reduced wear.
    • Through bolt or double bolt retained rocker shafts to reduce wear
    • Increased cylinder choke maintains compression, providing for improved cylinder performance.

    PISTONS are designed to be extremely wear resistant.


    • Advanced anti-friction graphite coated piston skirts enhances break-in during initial startup and reduces wear.
    • Ring groove protector maintains integrity of top compression ring.


    * Please check availability with our sales department.


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