Kelford Beehive Valve Spring KitFord Gen 1 3. 5 litre V6 Ecoboost engine. High performance, progressively wound PACALOY beehive valve springs. 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.
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