Spring set Beehive and retainers Kelford Cams for Ford Gen2 3.5L Ecoboost V6

Ford Gen 2 3.5 litre V6 Ecoboost. High performance, progressively wound PACALOYtm beehive valve spring. This kit was engineered to go with high performance camshaft upgrades and high boost applications. 90lb seat pressure @ 43.0mm Installed height / 246lb @ 13mm lift / Coil bind is at 25.0mm\n