Home News Videos Technical center Customer rides Signup About us Customer service
Search Options
World Products
Teen Safety Program
Home > Technical Center > What does “Racer Special” porting mean?
What does “Racer Special” porting mean?
FAQ These procedures consist of matching the port opening to the required gasket by slightly hand grinding the port entry and exit. Then the “bowl” area of the valve pocket is smoothly blended to meet the valve seats. If any burrs are present in the chamber or port edges they are removed to avoid hot spots.