JR Wheels JR28 16x7 ET20-40 BLANK Gloss Black Machined Face CB: 72,6 JR41 Lower 2 piece arm is

Lower 2 piece arm is replaced with one piece design to increase system stiffness that is needed for high lock

the following additional features are included: Adjustable wheel support pins for greater accuracy

You can also upgrade your pre 2021 Wisefab S13 rear suspension kit to new toe arm design by purchasing "S13 Rear Suspension Mod Kit"

Higher roll center (RC)

Base Spring Options of 3 -26 PSI

JR Wheels JR28 16x7 ET20-40 BLANK Gloss Black Machined Face CB: 72,6 JR41 Lower 2 piece arm isPCD: 4x100, 4x108, 4x110, 4x114. 3, 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40