Toyota G16E-GTS high performance beehive valve springs with titanium retainers for GR Corolla /GR Yaris. Remove OEM base and fit supplied base._x000D_\n_x000D_\nIntake: 100lb seat pressure at 35.0mm installed height. 198lb at 12.0mm valve lift._x000D_\nExhaust: 87lb seat pressure at 36.7mm installed height. 178lb at 11.5mm valve lift._x000D_\n_x000D_\nSpring coil bind height (solid height) 22.0mm._x000D_\n_x000D_\n _x000D_\n
