Springfield 2-3/8" Adjustable Mainstay Package w/Locking Swivel & Slide

The Springfield 2-3/8" Adjustable Mainstay Package with Locking Swivel & Slide is designed for versatile towing applications, providing stability and adjustability for users who require precise height matching and secure locking. This package is ideal for towing boats, cargo trailers, or utility equipment across various terrains.

Constructed by Springfield Marine, this adjustable ball mount system features a 2-3/8" ball diameter and a locking swivel mechanism that prevents unwanted rotation during towing. The integrated slide allows for vertical adjustment to match receiver heights accurately, eliminating the need for shims or spacers that could compromise connection integrity.

Mechanics and serious truck owners appreciate the Springfield Mainstay Package for both on-road and off-road towing, where trailer stability is crucial for safety. Its locking swivel design is particularly beneficial for enclosed trailers and tandem-axle setups, ensuring a secure connection under load.