For maximum adjustment range check out the lower control arm aswell

Ackermann adjustment washers are included in the kit

But still maintaining required strength and stiffness

Nissan Skyline R33 Angle kit has the OEM upper control arms replaced with Wisefab upper control arms for better kinematics and to avoid rubbing issues at full lock

That is the reason why we totally revised the kinematics

Concaver CVR4 19x9 ET20-51 BLANK Brushed Bronze CB: 72,6 CVR2 For maximum adjustment range checkPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 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, 46, 47, 48, 49, 50, 51