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Product Image Trailer Blocks 2500lb to 3500lb marine axle kit with 2" blocks for 1-3/4" wide spring

Kit for 2500lb to 3500lb square axle - 1-3/4" wide spring


Our billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height.

These square axle kits include 9/16" (1.42 cm) diameter grade 8 square u-bolts for a 2" (5.08 cm) diameter axle tube. Blocks are  6061-T6 Billet Aluminum.  Fits 1-3/4" (4.45 cm) wide leaf springs. For 2" (5.08 cm) square axles.

Each kit includes 2 Trailer Blocks & 4 U-Bolts for 1 axle.

  • Length : 4" (10.16 cm)

  • Width : 1-3/4" (4.45 cm)

  • Height : Select on dropdown menu

* Height is the desired amount of ride height adjustment.

  Center Reference Pin Head Height: 0.438" (11.12mm)

  Center Reference Pin Head Width: 0.656" (16.66mm)

Installation Instructions

 Anodizing Option:

This option includes Type II Anodizing and is ideal for trailers that see use in salt water or harsh northern winter conditions. If you select the Anodizing Option, the Trailer Blocks in your order will receive the special treatment. The appearance and texture of the Trailer Block is changed as it undergoes the anodizing process. This surface technology is designed to help prevent galvanic corrosion between two dissimilar metals. The process artificially oxidizes the surface of the billet aluminium in a controlled manor which helps to electrically isolate the Trailer Block from the steel it is in contact with on the axle and leaf spring.

Do you have a heavy duty application or need a lift or lowering block in a size that is not listed?

We can develop custom kits and block sizes in most configurations. To submit a custom request please fill out our web form: http://bit.ly/1oD8mcf

After we have the required information we will follow up with you via email.

All major credit cards are accepted at checkout.
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