Engine Performance

2015 (only) RZR 900 Trail LE, XC with EBS ( engine brake clutch model only*)

Note: two seat version only The 2015 EBS versions have different clutches on them. Engine braking is very valuable for some riders, and not necessary for others. It can be rider preference. The EBS versions were not calibrated as well from the factory,...

2015 (only) Polaris RZR 900 Trail, RZR 900 S models with standard (non-EBS) clutches

Note: This is for the two seat regular version only, we have not tested or offer a kit for the 4 seat version of this vehicle. The standard clutch version (non ebs) of the 900 RZR / RZR S is quite well calibrated from the factory for stock...

2016+ Polaris RZR S 1000 DALTON CLUTCH KIT

Clutch kits available for the Polaris RZR S 1000 for stock size or oversized tires. The Stock tire kit allows for some flexibility of terrain and applications with stock tire sizes. The oversized tire kit is for all larger tires, and sand dune or higher...

Polaris RZR Trinity Dual Slip on exhaust

Description: Newly Designed Stage 5 System 304 brushed stainless steel mid & head pipes  Dual aluminum mufflers black coated Fully Tig Welded 6061 Billet Muffler Clamps  6061 Billet Machined Exhaust Tips Oxygen sensor bung USFS...

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...