Oil ring support rail
Icon uses a "dimple" formed in the support rail that gets positioned facing away from the piston crown and in the open space where the pin bore is. It can't move around once all the oil ring pieces are in place.
Icon uses a "dimple" formed in the support rail that gets positioned facing away from the piston crown and in the open space where the pin bore is. It can't move around once all the oil ring pieces are in place.
