Group F
CHASSIS

• Any steel chassis, NO homemade.
• .047 ride height.

 
MOTOR

• Mid America Phoenix or Phoenix Supra (non-ball bearing).
• May notch motor to clear axle.

 
GEARS

• Any brand 13 tooth pinion.
• Open spur gear.
• Angled pinons allowed. NO angled spurs.

 
TIRES

• Any rear, can run waffled rims.
• Can cut, true, narrow tires.
• Max .650 dia. hub.
• 83 mm wide (3.25”).

 
AXLE & OILIETS

• Any solid hardened steel axle.
• Any oilites are allowed, NO ball bearings.

 
BODY

• Any wing car body.
• 2.5” air control devices (measured with Parma tech tool).
• Must be painted w/ 3 numbers and driver.
• Can reinforce body.

 
Any brand

• Guide flag, lead wires and braid.

 
IF IT IS NOT LISTED, IT IS NOT ALLOWED!!