1.25 Heim Joints Rod End Kit, 1 1/4 Chromoly Rod End Kit for Steering

Our review of this 1.25 heim joints rod end kit finds it best suited for fabricators and mechanics who need a heavy duty, weldable rod end for steering, suspension and traction bar applications. The single biggest reason to buy is the combination of a 76,200 lb load capacity and chromoly construction, which gives the kit a clear edge for high-load motorsport or hot rod projects where strength and fit matter. Installation is straightforward for anyone comfortable welding and working with 1 3/4' tube fittings.

Key Features

• High load capacity: The heat treated, hard chrome plated rod ends are rated at about 76,200 lb, making them suitable for heavy duty steering and traction components.
• Weldable chromoly construction: Chromoly steel bungs and rod ends can be MIG or TIG welded to custom tube assemblies for permanent, strong joints.
• Complete kit: The kit includes left and right hand threaded rod ends, tube adapters, jam nuts and a misalignment spacer so a fabricator can assemble a finished rod on first use.
• Precise fitment: The 1-1/4'-12 thread size and 1' ball bore are designed to fit 1 3/4' OD tube with.120 wall, reducing play and simplifying alignment.
• Generous travel and misalignment: The supplied spacer and ball geometry provide about 60 degrees of approximate misalignment to accommodate angled linkages.

Who It's For

This kit is aimed at backyard builders, chassis shops and race teams that need durable rod ends for steering links, ends of traction bars, and suspension tie rods. Users fabricating custom control arms or replacing worn heim joints on hot rods will appreciate the weldable chromoly bungs and included hardware for a near complete build.

It may not be the best choice for off-the-shelf drop-in replacements where metric threads or smaller bores are required, and buyers who cannot weld should consider pre-welded link assemblies instead.

Pros & Cons

Pros

• Robust build quality with heat treated, chrome plated chromoly for long life under load.
• Complete set with left and right hand threads plus jam nuts and tube adapters for a proper assembly.
• High load rating and a 1' ball bore that suits heavy duty steering and suspension parts.
• Designed to fit common 1 3/4' OD tubing, simplifying fabrication work.

Cons

• Requires welding skills or shop access to fully utilize chromoly bungs and create finished links.
• Thread size and bore are imperial and may not suit every custom or metric-based project.

Specifications

Thread Size	1-1/4'-12
Ball Bore	1' (approx)
Centerline Length	4.125' overall
Thread Length	2.125'
Load Capacity	76,200 lb
Fits Tube Size	1 3/4' OD x.120 wall x 1.5' ID
Jam Nut	1-1/4'-12, width 1.875', height 0.575'

Our Verdict

The 1.25 heim joints rod end kit is a practical, heavy duty option for fabricators who need a weldable, high load rod end for steering and suspension links. Its chromoly construction, complete hardware and strong load rating deliver good value for builders willing to weld and adapt the kit to custom tubes.

Frequently Asked Questions

Can these rod ends be welded?
Yes, the chromoly bungs and rod ends can be MIG or TIG welded as part of a custom assembly, which is how many users install them.

What tube size do they fit?
The bung is sized to fit 1 3/4' OD tubing with.120' wall and about 1.5' ID as specified in the kit.

What is the load capacity?
The rod end assembly is rated at roughly 76,200 lb, suitable for heavy duty steering and traction bar applications.