TM/FC Rules - Tires & Wheels

TIRES & WHEELS: 5

5.1 TIRES Tires to be automotive type represented by manufacturer for Methanol Funny Car. Maximum rear tire: 18-inches (45.8 cm) wide x 118-inches (2.997 m) circumference, minimum circumference 108-inches (2.743 m). Tires are to meet size requirements when installed and ready to run at manufacturer's recommended operating pressures.

5.2 WHEELS Rear wheels meeting SFI Spec 15.1 mandatory; maximum width: 16-inches. Must be completely isolated from driver compartment. Wire wheels prohibited. Rear-wheel discs or covers prohibited.