To modify the cross-member some DIY cutting and welding needs to be done

Check out the Nissan S13 rear suspension kit

Higher roll center (RC)

2 lower links would have some benefits for circuit racing

Also for weight reduction and stiffness purposes all the suspension links are designed straight and tubular or boxed type

JR Wheels JR37 21x10,5 ET10-46 5H BLANK Hyper Black CB: 74,1 JRTILBUD To modify the cross-member somePCD: 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