Description
Location Diagram

Our stage 3 engine bay kit includes 37 titanium bolts, 35 titanium washers, 8 titanium nuts, and 16 well nuts. The kit replaces the hardware circled in the diagram above. The Civic Si stage 3 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
- Fenders Shrouds/Covers
- Fenders
- Radiator Stay
- Battery Tie-Down
- Battery Heat Shield
- Hood Hinges
- Strut Towers
- Fuse Box
- ECU Bracket
- A/C Line Bracket
- Coolant Reservoir
- Coolant Overflow Hose Bracket
- Fuel Line Bracket Cover
Benefits include:
- Replaces Plastic Clips with Titanium Hardware
- Superior Corrosion Resistance
- Flawless Finish
- Weight Reduction
- Improved Strength
- Best Warranty in the Industry
- Detailed Installation Instructions
- Multiple Hardware Color Options
*Developed using a 2018 Honda Civic Si.
Explore more from our collection.
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 1](https://carpartsmall.shop/wp-content/uploads/2026/05/HON-058-TiLocationDiagram_1080x1080_8752e1c1-caad-4d91-a28a-ee766ae927b5-tO32t9.tmp_.webp)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 2](https://carpartsmall.shop/wp-content/uploads/2026/05/10thGenHondaCivicSIHardwareColorChart-5DA6vC.tmp_.webp)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 3](https://carpartsmall.shop/wp-content/uploads/2026/05/HON-058-Ti-GLD-1JHeSz.tmp_.webp)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 4](https://carpartsmall.shop/wp-content/uploads/2026/05/HON-058-Ti-MP-1-jMjs81.tmp_.webp)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 5](https://carpartsmall.shop/wp-content/uploads/2026/05/HON-058-Ti-MP-2-U996wd.tmp_.webp)
![Dress Up Bolts Stage 3 Titanium Hardware Engine Bay Kit For 17-20 Honda Civic Si [Fc1/3] 6](https://carpartsmall.shop/wp-content/uploads/2026/05/HON-058-Ti-MP-3-7isywM.tmp_.webp)



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