Click the link below to download the Rule Books in PDF format.
2024 360 Sprint Car Rules*
*Scroll to the bottom of this page for Northern Sprint Car Nationals 360 Sprint Car Rules Clarifications
2025 602 Crate Sprint Car Rules
2026 Thunder Stock Rules
2026 Mini Stock Rules
2026 Outlaw Karts Rules
2026 Outlaw Karts Safety Rules
Northern Sprint Car Nationals 360 Sprint Car Rule Clarifications:
18.0 – Protective rock screen • 18.1 – A protective rock screen must be installed in front of the driver with no larger than 2” x 2” square openings.
13.3 – NO turn-up (wicker bill) on 90-degree angle allowed at rear of center foil on dished wings. Flat top wings may utilize a 1” turn-up (wicker bill) on 90-degree angle at the back edge of the top wing.
● Right Rear Hoosier 38230HTC 105/18 –HTC plated
● Left Rear tires – Hoosier D12a
● Front Tires 31131D12 or 38031D12A 85/80 must be used for all Ohsweken Speedway sanctioned sprint events. In the case of co-sanctioned events, the spec tires from the other sanctioning body(s) may be utilized.
● Left Front is the only tire you can run flat.
● No tire softeners, no conditioners, no altering of tires with any natural or un-natural chemicals, no hazardous or unhazardous components or chemicals which alter the factory set baseline settings of a given tire.
● All sidewall markings must be visible at all times. No buffing or removing of the compound designations.
NOTE: RD12 will NOT be allowed in competition September 13, September 14