1965-66 Mustang Box

The 1965–66 Mustang Box by Flaming River is a manual steering gearbox designed specifically for classic muscle car restorations and vintage vehicle upgrades. This gearbox provides the mechanical feedback that original-era enthusiasts seek, while also accommodating the performance needs of modern driving conditions. It is an ideal choice for those rebuilding a first-generation Mustang or upgrading steering components for enhanced reliability and control.

Flaming River's design emphasizes precision-machined internals and OEM-spec geometry, ensuring direct steering response and minimal play in the steering column interface. The gearbox is constructed with tight tolerances throughout the gear train, which helps reduce wear on u-joints and tie-rod components during extended use. This robust internal construction is suitable for both daily driving and spirited performance, addressing the common issues of slop and looseness found in older units.

Restoration shops and Mustang specialists trust this gearbox for high-quality builds where authenticity is crucial. Installation is straightforward for experienced mechanics familiar with 1965–66 Mustang steering geometry, although some minor adjustments may be necessary. This gearbox integrates seamlessly into early Mustang chassis architecture, maintaining original mounting points and bracket compatibility.