The zero-offset butterfly valve is subjected to exhaust drive pressure equally on both halves of the valve

the new lower control arm is suitable for S13 and S14 and has more convenient adjusting

3mm bolt battern) and comes with preinstalled speed sensor rings

On Wisefab knuckle

Scroll down for a convenient spare part order

Concaver CVR5 21x9 ET10-54 BLANK Carbon Graphite CB: 74,1 CVR1 The zero-offset butterfly valve isPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 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, 47, 48, 49, 50, 51, 52, 53, 54