Kelford BMW Gen1 B58 | Valve Springs & Retainers KVS57-BT
BMW GEN1 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 our 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.
