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Lower the rear of my Trail Boss

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On 8/31/2020 at 9:21 PM, tlhayes said:

So I went with a 1” rear block in place of the stock 2”. Not perfectly level, about an inch difference. I’m happy with that, didn’t feel comfortable removing the block completely.


That’s what I bought. Solidly built, however, had to make some modifications for them to fit perfectly. First, the hole the pin sets into is too small, even though it say they fit. Had to have it machined out to 3/4”. Second, the pin itself is too long. So it had to be ground down about a 1/4”. Then hit it with some paint to keep the rust down as they are solid steel.


Sent from my iPhone using Tapatalk

How is everything since your install? I am wanting to do this and can’t really find tapered blocks, only flat ones like you mentioned. 

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I have a 2021 Trail Boss. Specs says it's been lifted at the factory by 2". It has a 2" lift block in the back.

I too prefer a 'level, non-raked' look - just my personal preference.

What confuses me in this thread is how much to lower to back end to get the look 'level'.


Some posters removed the block entirely for a reduction of 2".

Some posters replaced the block with a 1" lift block.

Note: a lift block reviewer on Amazon even said that the 1" lift block leveling kit actually has a lift block that is 2" tall.


What confuses me is that posters seem to determine how much is appropriate only by how the results look.

I have yet to see any actual measurements.

(Although one poster says that after removing the entire block, the truck is "1/4inch" lower in the back.)


Where are some actual measurements?


I also have a 2016 2500 HD that I lifted the front by 2" to get it 'level'.

To do that, I measured the upper fender openings from the ground perpendicular to the axle.

Leveling a '21 Trail Boss might be a little different because the wheel base/body is a little different.


Is the stock Trail Boss 2" taller in the real measured at the top of the wheel well perpendicular to the axle?

Seems to me any actual measurement would indicate a 1" reduction would be more appropriate that a 2" reduction.


Any data out there?


Note: The data on my truck is not-necessarily relevant. Its has a wheelchair lift in the cab which adds a ton of weight.

FYI from the ground to the top of the fenders measure 42.25" in the front and 42.75" in the back - essentially 'level'.




Edited by alphamomega
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