The Weld Magnum Pro Drive LG upgrade kit includes a black replacement center section in a 5x5.5 bolt pattern and carries an SFI 15.4 designation. Offered as an upgrade path for Magnum Pro rear hubs, the kit provides the larger drive configuration and SFI rating specified, allowing teams to update center hardware to a higher SFI level while preserving wheel mounting geometry and spline engagement.
Weld Magnum Pro Replacement Center Section Drive LG Upgrade Kit 5x5.5 / SFI 15.4 - Black