ETPLUS 5mm Hubcentric Spacers 4x100 PCD. This item is a Pair of (2) ETPLUS 5mm Hubcentric Spacers in 4x100 PCD. 54.1mm Centrebore 5mm width 4x100 PCD. PCD: 4x100. You must ensure that there is sufficient thread length on wheel fixings when being used in conjunction with wheel spacers and that the spacer sits flat against the hub face of the vehicle and wheel.