Cusco 3F7 311 A30 30mm Solid Steel Front Sway Bar for 2023-2026 Honda Civic Type

Vehicle Fitment

• 2023-2026 Honda Civic Type R (FL5, K20C 2.0L Turbo DOHC I4, FWD)
• 2017-2021 Honda Civic Type R (FK8, K20C 2.0L Turbo DOHC I4, FWD)

Fitment Notes

• For Civic Type R models only (FK8 and FL5) - fitment is not confirmed on non-Type R Civic models
• Installation may require dropping the front sub-frame to remove the OEM sway bar and install the Cusco bar
• Strengthened polyurethane bushings are included - OEM brackets are reused
• Pairs with the Cusco rear sway bar (3C4 311 B22, 22mm, sold separately) for a complete front/rear upgrade
• Position: Front

Features

• 30mm outer diameter solid steel construction - a 38% increase in torsional stiffness over the OEM 29.2mm solid front sway bar
• High-strength solid steel design provides maximum torsional resistance for aggressive cornering loads
• Dramatically reduces front body roll for sharper turn-in, improved mid-corner stability, and more predictable weight transfer
• Increases high-speed directional stability and driver confidence under aggressive driving
• Durable Cusco blue powder-coated finish for corrosion resistance and professional appearance
• Includes strengthened polyurethane bushings for consistent performance and improved response over OEM rubber
• Direct replacement for the factory front sway bar using OEM bracket mounting locations
• Approximately 2.5 hours installation time - sub-frame lowering may be required for bar access
• Designed and validated for the high-performance demands of the K20C turbocharged Type R platform

Specifications

• Part Number: 3F7 311 A30
• Type: Front Sway Bar (Anti-Roll Bar)
• Position: Front
• Outer Diameter: 30mm (solid)
• OEM Outer Diameter: 29.2mm (solid)
• Stiffness Ratio vs. OEM: 138%
• Material: High-Strength Solid Steel
• Finish: Cusco Blue Powder Coat
• Adjustable: No (fixed rate)
• Bushings Included: Yes (strengthened polyurethane)
• Brackets Included: No (reuses OEM brackets)
• Installation Time: Approximately 2.5 hours
• JAN Code: 4996338062802

Included Components

• 1x Cusco 30mm Front Sway Bar (solid steel, blue powder coat)
• 2x Strengthened Polyurethane Sway Bar Bushings

Product Description

The Cusco 3F7 311 A30 is a 30mm high-strength solid steel front sway bar engineered for the Honda Civic Type R FK8 (2017-2021) and FL5 (2023-2026) platforms. It replaces the factory 29.2mm solid front anti-roll bar with a stiffer unit that delivers a 38% increase in torsional spring rate over stock. While the diameter increase may appear modest, the solid steel construction means the stiffness increase is significant - solid bars scale exponentially with diameter, so even a 0.8mm increase translates to a meaningful improvement in front roll resistance that is immediately felt during spirited driving and track use.

The bar is constructed from high-strength solid steel and finished in Cusco's signature blue powder coat for long-term corrosion protection and a clean underbody appearance. The kit includes strengthened polyurethane bushings that replace the factory rubber units, providing faster response and more consistent performance without introducing excessive NVH. The bar reuses the factory mounting brackets, keeping installation straightforward. However, removal of the OEM bar and installation of the Cusco unit may require partially lowering the front sub-frame for clearance - plan for approximately 2.5 hours of labor time.

This front sway bar is designed exclusively for the Civic Type R and has not been validated by Cusco on non-Type R Civic models. For optimal front-to-rear balance, Cusco recommends pairing this bar with their corresponding rear sway bar (3C4 311 B22, 22mm, sold separately), which fits both the FK8 and FL5 and increases rear roll stiffness by 43% over the OEM 20mm rear bar. Together, the front and rear sway bar combination delivers a balanced, neutral handling profile that reduces understeer and improves overall chassis composure - validated on the track in competitive SCCA and time attack environments.