Material: 4340 Chromoly Steel. For MG B-Series 1798cc 4-Cyl 5-Main Bearing Engine. Connecting Rod Length Center to Center: 165.10mm/6.500in. Approximate Connecting Rod Weight: 637g. Lowering 58/30mm Springs for BMW E36 Saloon 1992-1998 316i 318i 320i 323i 325i.