This center cap only fits: JR10 wheels which originally have flat center caps

Check out the Mazda RX8 rear suspension kit

All the parts in the lock kit are provided as spare parts

Installation guide

You could tune your steering geometry from the positive to parallel Ackermann in just a few minutes even at trackside without messing up an alignment

Concaver CVR6 21x10,5 ET10-46 BLANK Custom Finish CB: 74,1 wisefab This center cap only fits:PCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x120. 6, 5x127, 5x130 ET: 10, 11, 12, 13, 14, 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, 46