Seibon Carbon Fiber Rear Roof Trim Honda Civic Type R 2017-2021 | RRT17HDCVR vendor_SPEC You will also note that

You will also note that ARP offers specially undercut studs for several engines

Note: Compatible with OEM and Mishimoto Radiators

Dwarfing the factory IC core volume by more than 3

Utilizing our all new Series II construction

Seibon Carbon Fiber Rear Roof Trim Honda Civic Type R 2017-2021 | RRT17HDCVR vendor_SPEC You will also note thatProduct Fitment: 2017 2021 Honda Civic Type R Seibon Carbon components are meticulously hand crafted using only premium grade materials and backed by over 20 years of carbon fiber manufacturing expertise. Each piece is engineered for precision fitment, structural strength, and visual refinement, delivering a performance focused upgrade that reduces weight without compromising durability or style. Designed for enthusiasts and professionals alike,