1/8″ NPT reference ports and are provided with the full range of available springs

this is the solution for you

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

you can benefit from optional "C6 Rack Offset Spacer Kit" that will allow you to achieve even bigger steering angle on C6 chassis (not needed on C5) and improves the Ackermann curve

-7 kg of combined weight saving over original components

Concaver CVR4 21x9,5 ET14-61 BLANK Double Tinted Black CB: 74,1 Ventiler 1/8″ NPT reference ports andPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 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, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61