Prothane 6-1121 Front Sway Bar Bushing Set 79-04 Ford Mustang 15/16in Red

The Prothane 6-1121 is a front stabilizer bar bushing set designed to replace the factory rubber bushings on 1979–2004 Ford Mustangs equipped with a 15/16-inch (0.9375") sway bar. Upgrading to Prothane's premium polyurethane material significantly reduces bushing deflection compared to soft OEM rubber, resulting in improved cornering response, reduced body roll, and better overall handling precision.

Key Features:

• Manufactured from premium-grade polyurethane — firmer and more durable than factory rubber bushings
• Grooved bore design engineered to retain Prothane's super grease for smooth, quiet operation
• Fits 1979–2004 Ford Mustang front stabilizer (anti-roll / sway) bar applications with a 15/16" diameter bar
• Resists deterioration from oil, heat, ozone, and road grime for extended service life
• Direct bolt-on replacement — no modifications required
• Also compatible with larger-diameter high-performance aftermarket sway bars of matching diameter
• Made in the USA and backed by Prothane's Lifetime Warranty

Worn or cracked rubber sway bar bushings allow excessive bar movement, contributing to vague steering feel, clunking noises, and increased body lean in corners. The Prothane 6-1121 eliminates this slop, keeping the stabilizer bar firmly located and allowing it to perform as designed — or better, when paired with a performance sway bar upgrade.