Wheel Offset

Stock Wheels: Backset 5 3/8” for the 6 ½” wheels

15” X 7” Koseis: Backset is 5 ½”

13” X 9” Keizers: Backset is 5 ½” (supposedly…need to measure)

To do: 13” X 7” will need to have: 4 ½” backset…

Current stock track: F 55.7 R 56.7

Allowable: F 58.5 R 59

Increase allowed: F 2.8 R 2.3 (1.15 per side or safe at 1” increase)

Compared to 9” at 5” backset…