3" Rear Axle Simple Swap (Small Tube 9", Dana 44HD, Toyota)

Quick, no-fluff solution for leaf spring axle swaps

This 3" Rear Axle Simple Swap Kit is the essential foundation for installing a small-tube 9", Dana 44HD, or Toyota axle in a spring-over application. Designed for ease and strength, it’s ideal for rigs running 2.5" or 2.75" wide springs and 3" diameter axle tubes. Whether you're doing a budget-friendly axle swap or building from scratch, this kit gives you the must-haves—no fluff, just the basics done right.

Included are our proven 3/8" thick A50 steel U-bolt plates with three center pin mounting options, our anti-wrap spring perches, long 10" U-bolts with heavy-duty hardware, and a set of 1.5" ID weld-on shock brackets. Everything arrives ready for welding and install. If you're looking to upgrade your rear axle setup without going overboard, this kit is where you start.

Key Features:

• Part Number: R1108
• Designed for 3" axle tubes (small tube Ford 9", Dana 44HD, Toyota)
• Works with 2.5" or 2.75" wide leaf springs
• U-bolt plates include 3 pin mounting positions for adjustability
• Shock brackets sized for 1.5" ID mounts
• Pre-cut, weld-on components made from high-quality steel

What's Included:

• (2) Leaf Spring Plates for 2.5" or 2.75" springs
• (2) Spring Perches for 3" axle tube and 2.5" or 2.75" spring width
• (2) Weld-on Shock Brackets (1.5" ID)
• (4) U-bolts: 10" x 5/8" x 3" with fine thread hardware and hardened washers

Start your selection

Pair this setup with a Ruffstuff diff cover, disc brake brackets, or a pinion guard for a fully dialed-in axle swap. It's the perfect starting point for your custom leaf spring suspension.