NISSAN RB25DET NEO. Drop-in parallel spring to suit OEM retainer and base._x000D_\nIntake: 95lb seat pressure at 38.95mm installed height. 185lb at 10.00mm lift._x000D_\nExhaust: 97lb seat pressure at 38.65mm installed height. 190lb at 10.00mm lift._x000D_\nCoil bind 24.15mm - Not quite what you need? view more springs, cams & valve train parts for RB25DET NEO engine click here
