Stage 1 Titanium Hardware Door Kit - Toyota GR Corolla (2023+)Location Diagram Our stage 1 door kit includes 20 titanium bolts. The kit replaces the hardware circled in the diagram above for all 4 doors. The GR Corolla stage 1 door kit comes with clear instructions that walk you through where to place each hardware piece, ensuring a fast and effortless setup. Locations include: Door Latches Door Striker Plates Benefits include: Superior Corrosion Resistance Flawless Finish Weight Reduction Improved Strength Best