WoF Mod Checker Will my mods pass a WoF? Four quick questions. Straight answers, no scare tactics — from the team that deals with this every week. How much lift? None / stock Up to 50mm (2") More than 50mm Tyre size? Stock size Less than 5% over factory diameter More than 5% over factory diameter Bull bar? No bar Compliant bolt-on bar Custom / fabricated Wheels or tyres past the guards? No Yes / not sure