If you want to upgrade this kit to full PRO version in the future

Revised steering geometry (Ackermann)Normally in a corner the inner wheel has a greater angle than the outer

You can tune your steering geometry either towards positive or negative Ackermann in just a few minutes even at trackside without messing up an alignment

the new lower control arm is suitable for S13 and S14 and has more convenient adjusting

JR Wheels JR44 22x11 ET15-45 5H BLANK Black Machined w/Tinted Face CB: 74,1 JR7 If you want to upgradePCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45