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Dorch Engineering Kelford BMW Gen1 B58 - Valve Springs & Retainers - BMW B58 Gen1 F20 F21 F22 F23 F30 F31 F32 F33

SKU: KVS57-BT

Special Order — ETA 7-10 Days

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 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


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