TSA Nissan Y62 Patrol GVM Upgrade – 4.2 T GVM (2” Lift | APEX | EFS | Airbag Man | SSM Approved)TSA Nissan Y62 Patrol GVM Upgrade 4. 2 T GVM (2 Lift APEX EFS Airbag Man SSM Approved) Take your Y62 Patrol to the next level of capability and compliance with the TSA 4. 2 T GVM Upgrade Package, engineered for superior strength, comfort, and towing confidence. Developed and federally approved for pre registration vehicles, this upgrade increases your Gross Vehicle Mass (GVM) to 4,200 KG, providing greater payload capacity and balanced handling under