We are a small shop with low overhead, so we can pass the savings on to you.

No, these are all cut pieces and machined to fit before welding.

No, these are 100% made in the USA.

Yes, they will work fine on a stock beam. The AS-335 requires a through bolt to replace the torsion springs.

The spindles are chromoly and the king pin housing is made from DOM steel.

A couple of recommended bearing manufactures are Timken and NTN

Timken Part numbers

NTN part numbers

Inner bearing



Inner race


# 4FL31

Outer bearing

# 07100

# 4fl02

Outer race



Outer combo seal


These bearings can be purchased at your local off-road shop, through Grainger supply house, or from any bearingoutlet. They will range in price from $3.00 to $10.00 each.

Drum brakes from a link-pin front-end and a ball joint backing plate or any of the aftermarket disc setups, that will fit the combo spindle, will work with these drop spindles.

T. I. Designs has been building and selling parts for the last 10 years.

The lower shock mount is taped for a ½ 13 tread.

You can use a shock length from 10” to 12”.

The maximum wheel travel with a 10-inch or longer shock would be 14 inches with the 2 1/4 arms and up to 18 inches with the 4 over arms.

A longer shock will run cooler. A longer coil over setup will allow you to put more preload in for a smoother ride.