OEM brakes caliper can be used with the supplied E90 M3 brake caliper adapter

That is the reason why we totally revised the kinematics

Ackermann adjustment washers are included in the kit

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

Concaver CVR4 19x9 ET20-51 BLANK Brushed Bronze CB: 72,6 CVR2 OEM brakes caliper can bePCD: 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