1-1/4 Heim Joint Kit – 16-Piece Off-Road 4-Link Set

By ethanjamescarter, 14 May, 2026
High performance heim joints for 4x4 steering and suspension builds

The 1-1/4 Heim Joint Kit is the professional choice for building a high-articulation Rock Crawler 4 Link Kit or a custom Off-Road Steering Kit. This comprehensive set features 1.25 Rod Ends manufactured from heat-treated 4130 Chromoly, providing the ultimate strength for Custom Off-Road Fabrication and high-stress Off-Road Suspension Parts. With a massive 76,800 lb radial load heim rating, these joints are built to survive the most punishing trails in the USA.

Kit Features & Component Specs:

  • Chromoly Heim Joints: Includes (8) RH and (8) LH 1-1/4-12 Thread, 1" Bore Spherical Rod Ends.
  • Advanced Lubrication: Every joint features a Teflon Kevlar lined heim joint for smooth, self-lubricating operation and extended life.
  • Weld-In Tube Adapters: Includes (16) 1045 steel tube adapters designed specifically for 2" OD DOM tubing with a 1/4" wall thickness.
  • Precision Hardware: Comes with (8) RH and (8) LH 1.25 heim jam nuts to ensure your adjustable suspension links stay locked in place.
  • Durable Construction: Features a hard chrome finish rod end for superior resistance to rust and trail debris.

    Massive Strength: Engineered for extreme duty with a 76,800 lbs radial load rod end capacity, ideal for race car suspension parts.

  • Maximum Flex: Compatible with 1" to 9/16 stainless misalignment spacers to allow for maximum vertical travel without binding.

Whether you're finishing a custom suspension links project or a full Heim Joint Suspension Kit, these heavy duty rod ends offer the reliability you need. This 1-1/4-12 rod end set is the go-to package for heavy-duty 4x4 suspension parts and professional fabrication.

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