The 48 Hours at Sebring club race is governed under the Porsche Club of America Club Racing rules. A complete set of rules can be obtained for the PCA web-site. PCA Club Race
In 2008 PCA made sweeping changes in GT & Stock class car classifications. Be sure you verify the classification for your car.
Also, if you are entered in the 48 Hours at Sebring Night-Race or Enduro programs, be sure you review the current rules for participation in these events. Club Race Rules