All cars must have a 6 point roll cage in your cars the extra 2 bars will go at the right and left side of your car and will attach to the top of the wheel well near your shock back towers. No added support bars or cross bars allowed between down bars allowed. NEW- 60 series tires allowed. $1,250 claim rule. See rules for details. Purse for events is based on a 25 car starting field.