Spring U-Bolt Nuts (Rear)• 1928-31 Model A Ford

Secure Your Ride with Precision-Engineered Castle Nuts & Cotter Pins

Designed for automotive enthusiasts and professionals, this 4-piece set ensures a rock-solid hold for your rear spring U-bolt. The castle nuts and cotter pins work together to prevent loosening under heavy loads or rough terrain, delivering unmatched safety and durability.

Ideal for trucks, trailers, or off-road vehicles, these components are built to withstand extreme conditions while keeping maintenance hassle-free. Users rave about the peace of mind they get from reliable, vibration-resistant performance—no more unexpected adjustments mid-journey.

Made from high-quality materials for long-lasting use, this kit supports both peak performance and sustainable ownership by reducing the need for frequent replacements. Fit it once and drive with confidence.