- Standard size

and tuners seeking maximum control

Heat-treated for enhanced strength and durability

To cater to high-stress

and M30B35 engines with a 135mm length

S58 Camshafts | Kelford Cams for BMW Cam Configuration:B - Standard sizeS58 Camshafts Kelford Cams for BMW Performance Please note: All camshafts must be installed by a professional engine builder, using the provided camshaft specification sheet. The builder is responsible for verifying piston to valve clearance and setting engine timing according to the cam card specifications, not the factory settings. A BMW S58 Camshafts Stage 1 Street Strip Circuit Race Road Race Roll Race Drift E85 288 268 10. 30mm 10. 15mm Valve