-10%
Click to zoom in
SKU: 3C4 492 SP | UPC: 4996338048790
Cusco Power Brace Seat Rail Plus Floor Set (Req. to Trim Plastic Covers) 2017+ Honda Civic Type-R
This Cusco Power Brace set reinforces the seat rails and floor panel on 2017-2021 Honda Civic Type R (FK8). It bolts on to tie critical chassis points together minimizing twist and flex during hard cornering. Drivers notice crisper steering response and planted feel on street or track.
Key Features
- Seat Rail Bracing: Steel bars link left and right seat rails preventing inward collapse under lateral loads for stable seating
- Floor Panel Reinforcement: Cross brace strengthens cabin floor reducing torsional flex by up to 20% in dynamic tests
- Bolt-On Design: Direct fit using factory mounting points no welding or cutting required beyond plastic trim
- Electro-Deposited Finish: Durable black coating resists corrosion ideal for track or daily use
- Lightweight Construction: 3.2kg (7.05 lbs) total adds rigidity without excess weight penalty
Product Notes
- Requires trimming plastic covers on seat rails for clearance
- Clean install area before fitting to ensure secure bolting
- Ships in protective box 45 x 8 x 6 inches
Installation Notes
- Professional installation recommended.
- Trim seat rail plastic covers with Dremel or utility knife
- Includes all necessary hardware torqued to Cusco specs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Type R |
Why Choose Cusco?
- Trusted by Japanese rally and drift teams for decades
- High tensile steel construction for lasting strength
- Engineered in Japan for exact Civic Type R fitment
Frequently Asked Questions
-
Q: Will this fit my 2018 Honda Civic Type R?
A: Yes fits all 2017-2021 FK8 Civic Type R models worldwide including JDM spec -
Q: What material is used in the braces?
A: High strength steel tubes with electro-deposited epoxy coating for rust protection and sleek black finish -
Q: What is the warranty and install difficulty?
A: 1 year against manufacturing defects bolt-on takes 1-2 hours with basic tools professional install advised
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure box 45 x 8 x 6 inches
- Weight: 7.05 lbs
Chassis Bracing
Shop chassis bracing, subframe connectors, K-member braces, torque-arm braces, driveshaft loops, and underbody stiffeners from UMI Performance, BMR Suspension, Steeda, Hotchkis, Cusco, Ultra Racing, Detroit Speed, Whiteline, aFe Control, ARK Performance, and other chassis-stiffening brands. Find bolt-in and weld-in subframe connectors, front and rear K-member braces, torque-arm and axle-relocation braces, driveshaft loops, transmission tunnel braces, and full underbody chassis-brace packages. Chassis bracing for muscle cars, pro-touring builds, drag cars, autocross, road-race, off-road 4x4, and sport-import platforms — Mustang, Camaro, Firebird, Challenger, Corvette, Nova, Chevelle, F-body, G-body, A-body, Fox-body, S550, S650, Subaru WRX/STi, Honda Civic Type R, Toyota GR86, Nissan 350Z/370Z/Z, and lifted trucks and Jeeps. Filter by vehicle, brace type (subframe connector, K-member, torque-arm, driveshaft loop), install method (bolt-in, weld-in), and material. What Chassis Brac...
View Chassis Bracing Products
Cusco
Cusco parts and accessories for Japanese sport compact and all wheel drive platforms are stocked at Black Ops Auto Works. Shop coilovers, strut tower braces, chassis bracing, limited slip differentials, sway bars, bushings, control arms, and roll cage components for the Subaru WRX and STI, Toyota 86 and GR86, Mazda Miata, Honda Civic and S2000, Mitsubishi Evo, and Nissan Skyline and GT-R platforms. Every product is filterable by year, make, model, trim, and engine so the correct part ships the first time. Black Ops Auto Works carries 429 Cusco SKUs across suspension, chassis reinforcement, drivetrain, and interior categories. What This Brand Covers Cusco is a Japanese performance parts manufacturer with over 40 years of motorsports experience, engineering coilovers, chassis braces, differentials, and suspension components for Japanese domestic market race cars and street performance builds. The catalog is built around sport compact and all wheel drive platforms where precise cha...
View Cusco Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products