Stage 4 Titanium Hardware Engine Bay Kit - Honda Civic Si (2016-2021) Color:Black and door check

and door check

This kit includes 4 titanium hardware pieces to replace the visible bolts on the Toyota ETCS-I OEM/Stock Throttle Body

The kit is designed for the BMW S54B32 engine

Hoist Hook Bracket

This kit includes 88 titanium hardware pieces and detailed instructions making installation quick and easy

Stage 4 Titanium Hardware Engine Bay Kit - Honda Civic Si (2016-2021) Color:Black and door checkLocation Diagram Our stage 4 engine bay kit includes 42 titanium bolts, 44 titanium washers, 8 titanium nuts, and 15 well nuts. The kit replaces the hardware circled in the diagram above. The Civic Si stage 4 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: Radiator Shroud Cover Headlights Core Support Fenders Radiator Stay Battery Tie Down