39” ZBros Install Question

Polaris900RMK · Dec 10, 2017

39” ZBros Install Question

Hello,

Couple quick questions......

I just purchased the 39” stance. I have seen a few posts talking about having to grind the spindles. Am I supposed to do that with my 39” or is that only for the 36” ones? Also they came with tie rods but do I need to use those since it’s supposed to be the stock stance?

Thank you for the help. The install instructions are pretty weak.

dude · Dec 11, 2017

I know for sure you don't need to use the tie rods. Stock ones work fine. As far as the grinding with the 39" stance I don't think you need to grind them. Pretty sure grinding the spindles is only on the 36" arms...

Polaris900RMK · Dec 11, 2017

Thanks Dude. I appreciate the reply ;-)

FatDogX · Dec 11, 2017

Not sure on the Axys but on a Pro, the 39" Z-Broz you ended up with some pretty good marks in the spindles after turning each way max. A guy could have ground them a little to avoid but again, not 100% sure on the Axys but as mentioned above I know the 36" you do.

southlake · Dec 11, 2017

I installed a 39" kit on my 17 axys pro and had to grind my spindles. I put everything on and lifted the front end with a block under the belly, turned the steering both ways and marked the rub spots, then used a flap disk to gently bring those spots down. Not too much material taken out but its a bummer you have to do it in the first place.

Polaris900RMK · Dec 11, 2017

Well that’s a good direct answer that I needed. Thank you! Hoping to have time to mess with them this week.

benltr · Dec 12, 2017

Not sure why you have to grind a 39 inch kit...

Take a look at those kits, stock geometry and no modifications needed :

www.trenchers.ca/en (price are in CAD)

Seabass152 · Dec 12, 2017

benltr said:
Not sure why you have to grind a 39 inch kit...

Take a look at those kits, stock geometry and no modifications needed :

www.trenchers.ca/en (price are in CAD)

Since these look like a ZBros knock off and cost about $50(US) more delivered, what's the incentive to buy? Clearancing takes only a few minutes and ZBros typically has replacement arms on hand.

Murph · Dec 12, 2017

Seabass152 said:
Since these look like a ZBros knock off and cost about $50(US) more delivered, what's the incentive to buy? Clearancing takes only a few minutes and ZBros typically has replacement arms on hand.

Not promoting or discrediting. I have zero experience with this company.

Heim joint instead of pressed in ball joint. No removal of old parts.

Canadian Company. Prices are in Canadian Dollars.

Seabass152 · Dec 12, 2017

Murph said:
Not promoting or discrediting. I have zero experience with this company.

Heim joint instead of pressed in ball joint. No removal of old parts. That's on their lower A-arm kit only

Canadian Company. Prices are in Canadian Dollars.

My comparison was using a .80 exchange rate. Their shipping quote was $60.

I was referring to their A-Arm kit which shows non-heim joint and states you need to re-use bushings/ball joints.

Actually about $40 more than ZBros using todays rate of .78. They do include a ball joint removal tool though.

adamg · Dec 14, 2017

southlake said:
I installed a 39" kit on my 17 axys pro and had to grind my spindles. I put everything on and lifted the front end with a block under the belly, turned the steering both ways and marked the rub spots, then used a flap disk to gently bring those spots down. Not too much material taken out but its a bummer you have to do it in the first place.

I would go so far as to call it bush-league.

benltr · Dec 15, 2017

Seabass152 said:
My comparison was using a .80 exchange rate. Their shipping quote was $60.

I was referring to their A-Arm kit which shows non-heim joint and states you need to re-use bushings/ball joints.

Actually about $40 more than ZBros using todays rate of .78. They do include a ball joint removal tool though.

The 39 inch kit is lowers only and include all balljoint and plastic bushing (ready to bolt on)

https://trenchers.ca/en/produits/39-chromoly-lower-a-arm-kit-polaris-rmk/

Z-Broz used to sell lowers only but i can't find now... They were 399,99$ USD with nothing (no balljoint and no bushing). So bottom line they cost more.

If you compare 36 inch kit with a conversion of 1,28 they are the same price. Also, the Trenchers kit keep the same geometry and you don't have to cut off your shock and you get a tool to remove balljoint without breaking them, you can put your swaybar back on and no grinding on the spindle...

Polaris900RMK · Dec 15, 2017

For anyone that cares.... I got my 39” ZBros on my 2016 today. I was able to use the stock tie rods. I lifted the sled up so the skis didn’t touch. The right spindle was super close to hitting the a arm. So I ground it down a bit. The left side hit pretty hard so I had to grind it down too. It wasn’t a huge deal. But still kind of a pain. So there’s the answer to my question.

I will say they do seem like a quality arm and they look pretty cool

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39” ZBros Install Question

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