5.1 Driveshaft must be steel, painted white and have 360 degree retaining loops, 1/4 inch thick by two inches wide front and rear.
5.2 Bellhousing must be approved racing type or use a quarter inch steel blanket 180 degrees around top half and wide enough to cover bellhousing area.
5.3 Stock type transmission only, forward and reverse gears. Richmond T10 accepted.
5.4 Stock type single disc clutch only. No double or triple disc clutches allowed. Automatics must retain functional torque converter.
5.5 Flywheels must be stock. No aluminum or racing flywheels allowed.