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Polaris RZR 4 XP 900 Springs Replacement Kit by RT Pro

SKU: RTP5301XXX
$585.00

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This kit is a complete set of dual rate springs for the front and rear which are 2.5” I.D. front and 3.0 I.D. rear. This makes this kit universal to all aftermarket 2.0 front / 2.5 rear or equivalent shocks
SKU: RTP5301XXX
BRAND: RT PRO

RT Pro introduces an amazing blend of ride quality and performance for the 4 seat RZR XP4 900. Our Dynamic Inertia Spring System (D.I.S.S.) has been proven for years in other replacement spring kits we sell and seems to get better and better for each model that comes out.

This kit is a complete set of dual rate springs for the front and rear which are 2.5” I.D. front and 3.0" I.D. rear. This makes this kit universal to all aftermarket 2.0" front / 2.5" rear or equivalent shocks so if you ever decide to upgrade to aftermarket shocks you don't have to buy shocks with springs. You can take your RT Pro springs with you! Good thing too because this spring kit is constantly being proven to be a better setup than even the aftermarket shock companies can provide with their shocks.

This kit includes adapter rings for the front shocks which convert the OEM upper and lower spring retainers from a 3.0” ID set up to the 2.5” springs that come in this kit. The rear springs do not require adapters. The kit also includes RT Pro’s Delrin spring spacers. These are designed to slide up and down the body of the shock straight and true for a long time due to their precision design and high quality American material.

Rates :

Standard - This rate is perfect for all dune and trail use. We've found this option works for almost everyone. The ride height should be about the same as stock and the ride quality when driving slow is very similar but a little firmer. The bottoming and bucking is greatly reduced and the handling is vastly improved when driving with two or 4 people. This rate will also support some extra cargo and accessories.

Heavy Duty - This rate is only needed for machines carrying LOTS of extra weight. These are meant for desert race cars and very loaded down machines with 4 full size passengers all the time or a bunch of extra accessories, gear, spare tire, gas cans, etc. This kit is designed to maintain ride height with a full load. It may sit a little taller without a large load but the ride will be firm.

Kit includes

  • (8) springs, (4) adapter rings and (2) front spring spacers.
  • This kit is 100% MADE IN THE U.S.A.

Note  - OEM rear spacers are re-used.

Featured Blog Post: Learn more about Polaris RZR suspension systems and suspension components like shocks and springs.

Product Fitment

RZR Vehicle (2 Seater) No fitments
RZR 4 Vehicle (4 Seater) 2014 RZR 4 XP 900 2013 RZR 4 XP 900 2012 RZR 4 XP 900
Polaris RZR RS1 No fitments
Polaris ACE Vehicle No fitments
RZR 170 (Youth) No fitments
Polaris ACE 150 (Youth) No fitments

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Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.