2.0 Interior Chassis Types A/B/C/D/S – Presented by Moonlight Physician's Network

2.0 Interior A/B/C/D/S

Interior
- Must be completely enclosed and shield driver
  - from engine compartment
  - from track surface
  - from tires
  - from rear fuel compartment
- Interior panels must be minimum of 0.040 inch aluminum or steel
- Interior must be neat in appearance
- All live wires/terminals must be properly insulated
- All items must be securely mounted
It is recommended that teams follow current SFI specifications for their personal safety.
The driver is ultimately responsible for his own safety.
- SA2010 rated helmets are mandatory for all motor vehicle events.
- SA202 rated helmets are recommended
- Full-face helmets are mandatory.
- A head and neck restraint system (i.e. HANS, Hutchens, or similar) is required.
- A full fire suit made of double-layered, Nomex material, clean and in good condition is mandatory.
- Fire retardant gloves and shoes are mandatory and must be worn during all on-track activities.
- Teams are to follow SFI standards regarding the interior.
- SEAT & SAFETY BELTS: The following is recommended,
  - Seat belts should use a minimum 5-mount harness
  - Belts must be no less than 3″ wide unless HANS device is used, then 2” wide may be used.
  - A quick release mechanism must be fastened to lap belt.
  - Y-Type shoulder harness not permitted.
    - Where the harness crosses the roll cage, it should pass through a steel guide welded to the roll cage that will prevent the harness from sliding side to side, and connect individually.
  - Belt manufacturers date must not exceed three years or the manufacturer’s recommendation. Belts with no date will not be eligible for use.
  - It is recommended to use head and neck restraint devices.
  - It is mandatory to use a custom manufactured HIGH BACK (for racing),
    - Aluminum seat. Back and side supports must be no less than .125″ thickness.
    - Bottom and top head support no less than .100″
    - No holes permitted in seats for weight reduction.
    - Seat must be securely fastened per manufacture guidelines.
    - Seat must be located inside chassis rails and cannot be moved back further than the trailing edge of door
    - Use the following link for seatbelt installation guidance.
      https://www.sfifoundation.com/wp-content/pdfs/guidelines-bulletins/Seatbelt%20Installation%20Guide%2006-05-12.pdf