Dimensions of Bolts and Shacles of Dexter Heavy Duty Suspension kit # K71-403-00  

The Dexter Single Axle Heavy Duty Suspension Kit #K71-403-00 uses the Shackle Bolt #007-126-01. The 9/16" portion of this bolt is 2-1/4" long.

We actually have a handy help article, linked to the right for you, that explains this and other helpful information on trailer lights. Below is an excerpt: The light beam emitted from a P2 or P3 light spreads out 45 degrees to each side of its…

We can get you the right shackle kit for your single axle trailer with a Dexter 3,500 lb axle, and you can choose from either a standard kit or an upgrade kit. Either will work, though the Upgrade Kit is going to be the best option due to the fact it…

The shackle links of the #K71-403-00 are 3/8 inch thick.

The Dexter Single Axle Heavy Duty Suspension Kit part #K71-403-00 does not come with bushings. These will be required but they should already be installed in the leaf springs and equalizers. If yours need replaced you can use the Suspension Bushing…

The bolts in the Dexter Single Axle Heavy Duty Suspension Kit #K71-403-00 are 9/16" diameter like you need. This kit is designed for and will work with your 1-3/4" wide, double eye leaf springs. I have added a link to a video review for you…

The Dexter Single Axle Heavy Duty Suspension Kit #K71-403-00 technically will not have a torque specification. However, I have been asked this before and was informed by Dexter that what you need to do is tighten them down to the point of either…

You can measure your leaf spring (eye to eye) while it is still installed on the trailer, but first you'll want to jack up the trailer so that the leaf spring is completely unloaded. Also, it is possible that your springs are worn and stretched…

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

All of the components of the Dexter Single Axle Heavy Duty Suspension Kit #K71-403-00 are zinc plated which is great for marine applications.

We have leaf spring bolts that were made specifically with features for the leaf spring application like the part #126B2. This is the correct size has a knurled section right below the head of the bolt which helps with install and has a grease…

The Shackle Links, #115052, are 3/16 inches thick. They are also 1-1/4 inches wide; 2-5/8 inches from the center of one hole to the center of the other hole, with a bolt hole diameter of 9/16 inches.