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DIY Universal Radius / Long Arm Kit

DIY Universal Radius / Long Arm Kit

This is an easy kit for making your own set of Radius Long arms. Keep in mind you could add something as simple as a Panhard Kit and either coil buckets or coil-over brackets and you have an inexpensive and complete suspension setup.

The Lower tubes are 2" x .25" wall DOM and come cut at 38". For frame attachment a 1.25" Heat Treated Heim in our Chassis Link Bracket, which comes with 9/16" holes. However you can drill those out and use a larger bolt if necessary. The axle side connects using a 2-5/8" Bushed DOM Sleeve in either our 0 or 10 Degree 3" Axle Mount Link Tab.

The Uppers come with a 24" cut piece of 1.5" x .25" DOM and attach to the Lower Control arm with a 7/8" Heat treated Heim and 5/8" Zinc Misalignments. A 2-5/8" Bushed DOM Sleeve in our 10 Degree Adjustable Link Tower Bracket for attachment to the axle.


  • (2) 2" x .250 x 38" DOM
  • (2) 1.5" x .250 x 24" DOM
  • (2) Adjustable Axle Mount Link Towers(0 or 10 Degree) (Upper)
  • (2) 3.0"Tube Radius Axle Mount (0 or 10 Degree) Link Bracket (Lower)
  • (2) Radius Arm Brackets
  • (2) Chassis Link Bracket with 9/16" Holes
  • (2) 7/8" Heat treated Heims with 5/8" Zinc Misalignment Spacers
  • (2) 1.25" Heat treated Heims with 9/16" Zinc Misalignment Spacers
  • (4) Bushed DOM sleeves; 2-5/8" wide with 9/16" Inner Sleeve

Small picture shows a more likely length of upper tube.

Sold in pairs

5 out of 55 out of 55 out of 55 out of 55 out of 5 1 Reviews Read
Part Number: 
Shipping Weight: 
68.00 pounds

Axle Brackets:

Misalignment Material:

Add Bolts:

Include Tubing?:

Customers who purchased this product, also purchased:
Panhard Kit / TrackBar
Ruffstuff Tshirt, Black
Paired Shock Bracket 3.0" Axle Mount
Frame Coil Bucket, Offset
Bushed DOM Sleeve

Customer Reviews
Average Customer Review: 5 out of 55 out of 55 out of 55 out of 55 out of 5 1 Reviews
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5 out of 55 out of 55 out of 55 out of 55 out of 5 Great replacement for Bronco radius arms!, 7.30.2016
Reviewer: Bolton Kelley (Lakeside, CA)

I bought this product to replace my Bronco's radius arms! They are easier than radius arms to install! They flex better than radius arms! They are easier than radius arms to remove from the vehicle! They keep the coil spring straight at all times unlike the radius arm which is only straight at one point in its arc! Thanks Rough Stuff!