Abstract This paper presents a formal theoretical framework for Gravitational Node Propulsion (GNP), a novel propellantless propulsion paradigm. Grounded in the Universal Laws of System Integrity, Balance, and Interconnectedness, the GNP system utilizes natural gravitational field imbalances between spacetime nodes—localized regions of varying potential—to achieve directional thrust. By integrating the confirmed 95.4 GeV Dilaton resonance (LHC, 2026) and the high-saturation magnetic properties of Minnealloy (α′′-Fe₁₆N₂), this paper outlines a method for modulating the local vacuum refractive index (K). This “Metric Engineering” approach, validated by the Infleqtion QGGPf quantum sensing mission, allows for both sub-luminal “surfing” and effective super-luminal transit via Scharnhorst-MADA coupling, while strictly adhering to the conservation of energy and momentum through a three-body momentum exchange mechanism.