Polaris ACE 2016-2019 325 / 500 / 570 / 900 Suspension Bolt Kit

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2016 - 2019  POLARIS ACE 325, 500, 570, 900 MODELS SUSPENSION BOLT KIT (For Ace that uses 2 shorter bolts for the front upper arm.)


Fits the following years and submodels ONLY:

  • 2016 ACE 325
  • 2016-2019 ACE 570 EFI, PS, HD
  • 2016-2019 ACE 500 SOHC
  • 2016 ACE 900 

Here is our complete kit for the suspension on the 2016-2019 Polaris ACE models that have 2 shorter 3/8-24 bolts to mount the front upper arm. This kit is made to replace all of the improperly shanked bolts that Polaris used on the suspension of these RZRs! 

***There is a separate kit for the Ace that uses a SINGLE long front upper arm bolt!!!***

This kit includes grade 10.9 M10 & Grade 8 3/8' bolts for all of the following:

       - All 4 rear shock bolts upper & lower

       - All 8 rear control arm bolts

       - All 4 front control arm bolts

       - All 4 rear knuckle bolts to the rear arms 

       - Also included are all new yellow zinc coated hardened washers & all metal top locking stover nuts (not nyloc nuts like other kits) 

This kit was created out of demand from our customers who needed the proper bolts so they could rely on their machines down the road. You may not notice issues now but all of these problems are long term and once problems appear the repair bill to fix it is going to be more than the cost of this kit!! 


The shank length on the OEM bolts are too short!!  
With suspension components you always want a bolts shank to go through both sides of the mounts for that suspension component. Thus putting all of the load onto the strongest part of the bolt which is the shank! By not having a bolts shank long enough to go all the way through both sides of the mounts it puts the load of your impacts onto the weakest part of the bolt, which is where the bolt changes from shank to threads! Over time this will start to wallow/oblong out the side of your mounts that has only threads and not shank through it. Ultimately creating even more play than is originally there and the problems will only compound from there! Bent bolts, broken bolts, bent suspension components, the list goes on and on! 
Don’t let this happen to your machine!


TORQUE M10 BOLTS TO 53 ft lbs

TORQUE 3/8' BOLTS TO 50 ft lbs

Bolts will be longer than stock, this is the only way to get the shank to be the correct length. Bolts can easily be trimmed down if you have a cutoff wheel and grinder.