Stage 2 Titanium Hardware Engine Bay Kit - Honda Civic Si (2012-2015)Location Diagram Our stage 2 engine bay kit includes 40 titanium bolts, 4 titanium nuts, 34 titanium washers, and 11 well nuts. 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 Hood Latch Core Support Battery Tie Down Brake Fluid Reservoir