A. All current seats must be full containment type constructed of aluminum or approved carbon fiber and must adhere to the general design specifications of SFI 39.2 seat construction standards. Design shall include comprehensive head surround, shoulder and torso support system, energy impact foam, and removable head foam.

B. Carbon fiber seats must have a current valid SFI 39.2 certification.

C. SFI 39.2 seat compliance for the World of Outlaws Late Models, Super DIRTcar Series, 358 Modifieds and DIRTcar Late Models will become mandatory beginning in 2021.

D. SFI 39.2 seat compliance for the DIRTcar Pro Late Models, UMP Modifieds, UMP Pro Modifieds, NE Sportsman will become mandatory beginning in 2022.

E. Up fitting a current seat with bolt on kits will be permitted with a seat manufacturer produced kit and an acceptable base seat approved by the seat manufacturer. Components must include comprehensive head surround, shoulder and torso support system, energy impact foam. Must be installed in accordance to seat manufacturer’s instructions. Combining components may not meet SFI 39.2 Certification.

F. Seats must be used as supplied and installed following instructions provided by the seat manufacturer.

G. If the left side head surround is 7”-inches or less when measured from the back of the headrest, then a left side head net meeting the SFI 37.1 must be installed with a quick release latch. A minimum left side head surround of 4”-inches is required.

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