CUSTOM HEAD PORTING

   

Experience has proven that cylinder heads are probably the single most important power making component for any engine.   The more fuel and air you can get in an engine, the more power it will make.  Contradictory to popular belief, bigger is not always better.

 Port shape and configuration are much more important than size, and how a port flows is just as important as what it can flow.  The right combination of parts is critical, that's why we match combustion chamber shape, flow properties and camshaft design to get the most out of your engine.

  
 We work on most any head, stock or aftermarket, cast iron or aluminum.  Results can be tested and verified on the flow bench or engine dyno.  We measure every critical area of each head for maximum flow and consistency from port to port for smooth and trouble free performance.
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Mild to wild...street performance to all out race, we have the experience to custom match a set of heads to your particular application.
 

    
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SIEGWARTH MOTORSPORTS
15156 Bellevue Cascade Rd,  Otter Creek, IA  52079
563-686-4201    563-686-4353 fax
mail@siegwarthmotorsports.com