All the metal components on Wisefab 350Z rear suspension are from high strenght steel

Lexus IS steering rack attachment/cross-member insert along with cross-member supports are included in the kit

Wheels: Wheel hub has 5x120 PCD

while also using both convection within the engine compartment and physical shielding to eliminate harmful levels of heat from ever reaching the actuator

Therefore lower one piece arm is used

JR Wheels SL03 19x8,5 ET20-42 5H BLANK Gloss Black CB: 72,6 Aksler All the metal components onPCD: 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42