Stage 2 Titanium Hardware Engine Bay Kit - Honda Civic Si (2022+)Location Diagram Our stage 2 engine bay kit includes 34 titanium bolts, 10 titanium nuts, and 37 titanium washers. The kit replaces the hardware circled in the diagram above. The Civic Si stage 2 engine bay kit comes with clear instructions that walk you through where to place each hardware piece, ensuring a fast and effortless setup. Locations include: Fenders Headlights Strut Towers Hood Latch Core Support Battery Tie Down Radiator Fan Shroud AC