•Front: JConcepts Gold Dirt Webs (#3077-05) and JConcepts Dirt Tech Closed Cell Inserts (#3231)
• Rear: JConcepts Gold Dirt Webs (#3076-05) and JConcepts Dirt Tech Closed Cell Inserts (#3232)
•Front: Pro-Line MC Positron (#8258-17) and JConcepts Dirt Tech Closed Cell Inserts (#3230)
• Rear: Pro-Line MC Positron (#8256-17) and JConcepts Dirt Tech Closed Cell Inserts (#3232)
• Tires must be marked and purchased with the "OC" logo for all races that are used for seeding, qualifying, heat races, and main events.
• Marked tires will not be distributed or available for purchase before Wednesday at 8pm.
• The control tire additive may only be applied in the designated area. No application, scrubbing-in, or wiping tires may be done in the pit area.
• Tires may only be wiped with blue shop towels after tech.
• Tire cleaning may only be done in the designated wash station.
• No personal tire washing stations.
• Only the spec JConcepts 2WD tires and Pro-Line 4WD tires may be used.
• Front tires must be used on the front and rear tires must be used on the rear and on their intended vehicle.
• Modifying and/or sanding and/or cutting any control tire is not allowed.
• Only natural tire wear from the racing surface is allowed.
• Two 3mm vent holes per tire is allowed.
• The spec JConcepts Dirt Tech closed cell inserts must be used in all tires and purchased from OCRC Raceway.
• Foam must be used in the intended tire and may be cut and/or trimmed and/or punched.