KVS252-BT | 3.5 V6 Ecoboost Springs

3.5 V6 Ecoboost Beehive Valve Springs. High performance, progressively wound PACALOY­­ beehive valve spring and Titanium Retainer Kit. This kit was engineered to match our camshafts for ultimate quality, performance and reliability. 90lb seat pressure @ 36.5mm Installed height / 193lb @ 11mm lift / Coil bind is at 23.6mm.