PSL4023 - Velociraptor VR eXtreme “NEO” Replacement Armature Machine wound, eXtreme wind armature, .500 diameter, wound on our race proven Intruder blank. This armature is specially sized to fit the PS- 4017 “NEO” Euro MK1 setup to provide the ideal airgap with no other modifications needed. This the fastest machine wound armature available for the PS-4017 “NEO” MK1 setup.