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Leaf Spring Shackle Galvanized 2 1/2 inch Long

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Part Number: 23978
by CE Smith Co.: 20016G
Spring Shackle Galvanized for boat Trailer Double Eye Trailer Leaf Spring Suspension
$2.49
In Stock

This is a boat trailer leaf spring shackle link. It is HOT DIPPED Galvanized steel. It measures 2 1/2" from center hole to center hole and has an over all length of 4". Each hole has a diameter of 1/2". The shackle strap is made from 1/4" thick steel plate and then is hot dipped galvanized. The galvanized finish helps to prevent rust in salt water environments. These shackle plates are used to hang a double eye springs on a trailer. They mount on the rear of the spring allowing the spring to lengthen as it absorbs bumps. Thy are also used in tandem axle trailers to attach the front and rear springs to the middle equalizer bar. Single axle trailers will use 4 spring shackles (2 on each side). Tandem axle trailers will use 8 spring shackles (4 on each side). This is the most common length spring shackle.

On Single Axle Trailers, a longer leaf spring shackle will increase the ride height of the trailer, and a shorter will lower the ride height. 
On a Tandem Axle Trailers, a longer leaf spring shackle will lower the ride height of the trailer, while a shorter shackle will increase the ride height.

These Galvanized shackles are more commonly used on Boat trailers. However, they can be used will all types of trailers. With slightly larger than 1/2" drilled holes, these leaf spring shackles are used in conjunction with 1/2 inch diameter Leaf Spring Mounting Bolts

These plates can also be used as frame plates on the bottom of u-bolts, or as general brackets. For this purpose, this shackle will accept 2 inch wide u bolts. 

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