Viper MOD 2 *An electronics class open to the eight quickest Viper-chassis and Viper-powered vehicles. Races will be a full quarter-mile, .400-second pro tree, heads up with no breakout rule in effect. Cars will be Sportsman laddered (1-5, 2-6, 3-7, 4-8, and so on) based on qualifying e.t's. Qualifying will be determined by the quickest elapsed time of each vehicle. All vehicles must meet basic racing rules and all safety requirements. Intended for streetable vehicles with a single power adder and modified all-motor vehicles. All cars must be street registered and insured in your home state. The Ohio VCA may determine final eligibility. Competitors are eligible to compete in Viper bracket category with no additional entry required. Contested at Neo-Fest and Norwalk only.

KOS Super Street *Heads up class open to all stock-appearing Chrysler-powered vehicles. Races will be a full quarter-mile, .400-second pro tree, with no breakout rule in effect. Maximum of one power adder allowed. Nitrous oxide, superchargers, and normal aspiration will have different weight breaks for parity. All entries compete on a 10.5-inch-wide sidewall designated slick or 12-inch DOT-approved tire. All vehicles must meet basic racing rules and all safety requirements. Contested at Kansas City, Columbus, and Indianapolis only.

KOS EZ Street *Heads up class open to all 1950-and-up stock-appearing Chrysler-powered vehicles. Races will be a full quarter-mile, .400-second pro tree, with no breakout rule in effect. Normally aspirated combinations and nitrous oxide are allowed. All entries compete on a 10.5-inch-wide sidewall designated slick or 11.5-inch DOT-approved tire. Front-wheel-drive conversion cars are allowed only in normally aspirated trim. All vehicles must meet basic racing rules and all safety requirements. Contested at Kansas City, Columbus, and Indianapolis only.

KOS Muscle Street *Heads up class open to all 1950-and-up stock-appearing Chrysler-powered vehicles. Races will be a full quarter-mile, .400-second pro tree, with no breakout rule in effect. Normally aspirated combinations only. All entries compete on a 10-inch DOT-approved tire. All vehicles must meet basic racing rules and all safety requirements. Contested at Kansas City, Columbus, and Indianapolis only.

* Non-points classes

For complete racing rules visit www.classicevents.com.