These GT86 axles are designed for use with a QC diff and a Nissan or Lexus wheel bearing

The increased flow is achieved through the efficiency of a straight through valve versus a traditional poppet style valve where the exhaust gas must be turned 90 degrees by the valve

No problem at all

it doesn't fit JR10 wheels which originally have higher conical cap

Concaver CVR5 22x11,5 ET17-61 BLANK Carbon Graphite CB: 74,1 Tuner Bolts These GT86 axles are designedPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 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