![Kelford B58 Valve Spring Kit](http://williamsperformance.co.uk/cdn/shop/files/springs-800x600-1_600x600.jpg?v=1709501312)
BMW B58 Valve Springs. B58 Engine – 3.0L inline 6. High performance, progressively wound PACALOY beehive valve spring with titanium retainers.
This kit was specifically engineered to match Kelford’s Stage 1, Stage 2 and Stage 3 Camshafts for ultimate quality, performance and reliability.
90lb seat pressure at 36.5mm installed height. 193lb at 11.0mm valve lift