Engine Performance

2014+ Polaris RZR/Ranger/General Valve Adjustment Conversion Kit

The All Things UTV  Shim-Under-Bucket Conversion Kit is a simple solution to the cumbersome task of adjusting the valves on any model listed below In stock form, to do a valve adjustment you must buy different sized buckets. This...

Manual Cam Chain Tensioner, Polaris RZR 900 XP/ XP4 and RZR 1000 XP/ XP4

The Sparks Racing Manual Cam Chain Tensioner is a must for any RZR 900 XP/XP4 or RZR 1000 XP/XP4. The stock tensioner not only can fail causing the cam chain to lose tension, but even a stock tensioner that’s in good working order can allow...

EPI Sport clutch Kit 2015+ 900s/900-4

900 RZR S 60" (Non EBS) 2015 Designed for 27-28" Tires 0-3000' elevation Our best all around use kit Great for trail riding, occasional mud and sand riding, plowing and hauling Makes up for the power loss and slow response of adding oversized tires...