American Racing made 2 sizes of the Aluminum

TORQ THRUST "D"

................front.......back
15X6......3 1/4".....3 3/4"
15X7......4 1/4".....3 3/4"
both measurements taken from brake drum mounting surface

APPLIANCE * * Only two sizes* *

Torq Thrust "D" Aluminum Wheels.

................Front.....Back

15X6......3 1/8".....3 5/8"

15X7......4 1/4".....3 3/4"