Circuit Sports Extended Ball Joints & R Tie Rods | Miata NA/NB 1990–2005

Circuit Sports Extended Lower Ball Joints & R Package Tie Rod Ends – Mazda Miata MX-5 NA/NB (1990–2005)

Improve handling, reduce bump steer, and dial in your camber with the Circuit Sports Extended Lower Ball Joints and R Package Tie Rod Ends Combo Kit for the Mazda Miata NA/NB (1990–2005). This is a direct replacement kit designed for lowered Miatas seeking improved geometry and alignment adjustability.

The extended lower ball joints add up to -2 degrees of camber instantly and offer an adjustable range between -0.5 to -4 degrees, ideal for track or aggressive street setups. The included R Package tie rod ends correct bump steer that often results from lowering the vehicle.

Manufactured to ISO9001:2000 standards, each component features forged housings, oxidation-resistant silver zinc coating, and high-quality rubber boots for long-term reliability. The ball joints are engineered to be 40% stiffer than OE for better feedback, durability, and control.

Key Features

• Direct bolt-on for Mazda Miata NA/NB (1990–2005)

• Adds up to -2° camber, adjustable to approximately -4° total

• R Package tie rod ends correct bump steer on lowered vehicles

• Forged housing and stud for strength and precision

• Silver zinc coating resists rust and corrosion

• Includes high-grade nuts and cotter pins for easy installation

• Improves handling, tire contact patch, and steering feel

• ISO9001:2000 certified manufacturing

Note: Professional wheel alignment is strongly recommended after installation. Extend inner tie rods slightly to compensate for toe-in changes.