Ultra Racing Front Lower Brace - 4 Point • LA4-787

Ultra Racing 4-point front lower chassis brace for Mazda MX-5 MK3 / MK3.5 / MK3.75 NC models listed in the compatibility table.

The Ultra Racing LA4-787 is a front lower bar / front member brace designed as an aftermarket chassis reinforcement upgrade for the third-generation Mazda MX-5 NC.

Mounted beneath the front of the vehicle, this four-point brace links key lower chassis and suspension mounting areas to help reduce unwanted chassis flex. Reinforcing these points can help the front suspension work more consistently under cornering, braking and changing road loads.

Product details:

• Brand: Ultra Racing
• Part number: LA4-787
• Product type: Front Lower Bar / Front Member Brace
• Position: Front lower chassis
• Brace specification: 4 Point
• Construction: Steel
• Finish: Ultra Racing white
• Installation: Vehicle-specific bolt-on mounting arrangement
• Quantity required per vehicle: 1
• Quantity supplied: 1 front lower brace
• Original vehicle nuts / bolts are reused where applicable unless additional hardware is supplied

Common reasons for fitting:

• Reduce unwanted flex through the front lower chassis structure
• Reinforce key front suspension and chassis mounting areas
• Help suspension geometry remain more consistent under load
• Improve front-end chassis response during enthusiastic road or track driving
• Complement upper, centre and rear chassis bracing upgrades

Fitment advice:

Application data identifies LA4-787 for the Mazda MX-5 MK3 / NC platform from 2005 to 2015, including 1.8 and 2.0-litre applications. No Sport-specific exclusion is identified in the available generation-wide application data. For imported, modified or previously repaired cars, matching the mounting arrangement on the vehicle before installation is recommended.

Other items to consider purchasing:

• Ultra Racing front strut brace
• Ultra Racing middle lower brace
• Ultra Racing rear lower brace
• Ultra Racing rear lower side brace kit
• Ultra Racing anti-roll bars
• Replacement chassis or suspension fasteners where existing hardware shows wear or corrosion

Useful tools / consumables:

• Socket and ratchet set
• Torque wrench
• Suitable vehicle lift or axle stands
• Penetrating fluid where existing underbody fasteners are corroded

Difficulty guide: Intermediate DIY / workshop installation. Safe access beneath the front of the vehicle is required.

Why Ultra Racing?

Ultra Racing specialises in aftermarket chassis and handling upgrades. Its vehicle-specific lower braces are designed to reinforce key structural mounting areas and reduce unwanted movement through the chassis, helping the suspension operate more consistently under load.

What's in the box:

• 1 x Ultra Racing LA4-787 4-point front lower chassis brace
• Additional mounting hardware where supplied with the product

Installation notes:

The vehicle must be safely raised to provide access to the front lower chassis mounting points. Position the brace correctly across all four locations and check clearance around the engine, steering, suspension and surrounding underbody components before final tightening. Reassemble and tighten all mounting hardware to the appropriate vehicle or manufacturer specification.