Kelford Cams 298/292 Stage 3 Drag Race Cams BMW S58
BMW M Series Stage 3 drag racing cams designed for professionally built S58 engines producing 1400hp+. Turbo sizing 76mm+ on high boost. Ethanol blend or methanol. Valve Spring Upgrade is required, Kelford Cams recommend valve spring KVS58-BT. Trim/deburr as necessary