Camshafts Kelford Cams for Mazda Miata 323 B6 NA 256/250

The ultimate NA Stage 1 performance cams for Mazda B6 engines found in the MX-5 Miata. Maintains great street drivability and mild idle. Good improvement in mid-range power compared to OEM cams. Great upgrade for cars used for spirited driving and track days. Kelford Cams recommend KVS12 valve spring upgrade. \n