SuperPro 2004 Mazda RX-8 Base Rear 18mm 2-Position Adjustable Sway Bar Kit - sprRC0018RZ-18

Improve cornering performance, reduce body roll, and fine-tune your vehicle’s handling with the SuperPro Roll Control 18mm Rear 2-Position Adjustable Sway Bar Kit (Part Number: sprRC0018RZ-18). Designed for compatible Mazda RX-8 applications, this performance suspension upgrade helps improve grip, cornering stability, and overall handling balance.

The adjustable two-position design allows drivers to modify sway bar stiffness by changing the end-link mounting position. Depending on the selected position and vehicle application, SuperPro Roll Control sway bars can provide a rate increase of approximately 30–50% over original equipment sway bars. This adjustability makes it easier to tailor suspension response and reduce excessive body roll during cornering.

SuperPro sway bars are precisely formed to support factory-style fitment, proper installation, and convenient adjustment. Their vehicle-specific sizing helps optimize compatibility while allowing drivers to fine-tune handling characteristics with common hand tools.

The sway bar features a durable four-step protective finish incorporating zinc treatment, epoxy coating, and a two-stage powder coat. This finish helps resist corrosion and maintain long-term durability in demanding driving and environmental conditions.

Features and Benefits

• 18mm Rear Sway Bar: Designed to improve rear suspension roll control and handling response.

• Two-Position Adjustability: Allows drivers to adjust sway bar rates by changing the end-link mounting position.

• Reduced Body Roll: Helps limit excessive body movement during cornering.

• Improved Grip and Handling: Supports better cornering stability and a more controlled driving experience.

• Adjustable Handling Balance: Makes it easier to tailor suspension response to driving preferences.

• Precision-Formed Construction: Designed for factory-style fitment and convenient adjustability.

• Vehicle-Specific Design: Sized for compatible Mazda RX-8 applications.

• Corrosion-Resistant Finish: Features zinc treatment, epoxy coating, and a two-stage powder coat for lasting protection.

• Installation Difficulty: Moderate.

• Estimated Installation Time: 2 hours.

• Wheel Alignment Required: No.

Product Specifications

• Brand: SuperPro

• Part Number: sprRC0018RZ-18

• Product Type: Adjustable Rear Sway Bar Kit

• Product Series: Roll Control

• Bar Diameter: 18mm

• Adjustment Positions: 2

• Installation Position: Rear

• Installation Difficulty: Moderate

• Installation Time: 2 hours

• Kit Contents: 1 sway bar, 4 bushings, and 2 lateral locks

• Wheel Alignment Required: No

• California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.

• Prop 65 Warning Applicable: Yes

Vehicle Fitment

Mazda RX-8

• 2008 Mazda RX-8 40th Anniversary Edition — R2, 1308cc

• 2004–2007 Mazda RX-8 Base — R2, 1308cc

• 2008–2011 Mazda RX-8 Grand Touring — R2, 1308cc

• 2009–2011 Mazda RX-8 R3 — R2, 1308cc

• 2005 Mazda RX-8 Shinka — R2, 1308cc

• 2008–2011 Mazda RX-8 Sport — R2, 1308cc

• 2008–2009 Mazda RX-8 Touring — R2, 1308cc

Fitment Note: The product title identifies the 2004 Mazda RX-8 Base, while the supplied fitment information lists additional RX-8 trims and model years. Confirm compatibility with the specific vehicle before ordering.