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Leaf Spring Shackle Galvanized 2 1/2 inch Long
by CE Smith Co. : 20016G
Part Number: 23978
Average Rating

Leaf Spring Shackle Galvanized 2 1/2 inch Long


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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. 

5 Stars
Good Product
Good quality replacement part, perfect fit
Reviewed by:  from SW Florida . on 1/27/2018
5 Stars
Boat trailer job
These came exactly how I ordered them and fit perfectly with the EQ-356 equalizer bar and 3.5" mounting bolts.
Reviewed by:  from North Carolina. on 4/6/2017
5 Stars
2 1/2 Galvanized Spring Shackle
Product appeared to be coated well. All external dimensions were accurate. The 1/2 inch through holes were actually 9/16, but I found this to be a common "within" range tolerance of SAE standards.
Reviewed by:  from GA. on 6/10/2015
5 Stars
Leaf spring shackle galvanized 2/1/2in. long
Good quality
Reviewed by:  from Theodore AL.. on 12/18/2014
5 Stars
Leaf Spring Shackle
Great product, finish, and price. Sturdy Built always helps get the job done and done-right. Keep up the excellent work and service...
Reviewed by:  from Miami, FL.. on 7/28/2014
5 Stars
This was just what I needed, good quality, Worked great on Boat Trailer
Reviewed by:  from Westfield, NC. on 8/27/2013

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