ISP Class Lineup:

1. 6200 Super Stock Trucks

2. 6500 Light Pro Stock Diesel Trucks

3. 6000 Light Super Stock Tractors

4. 7000 NA Super Stock / Pro-Field Tractors

5. 11000 Too Hot to Farm Tractors

6. 6500 Open

Stock Classes Offered:*

1. 8500 Stock Gas/Diesel Trucks

2. 9000 Open Gas/Diesel Trucks (non-sanctioned)

3. 8500 Turbo Farm Stock Tractors

4. 11000 Turbo Farm Stock Tractors

5. 13000 Turbo Farm Stock Tractors

*Stock class lineup subject to change. Check with promotor for specific rules and other details on stock classes (see link blow.

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