Common Asked Questions and Specs

On this page you can get common servicing info on Walker Evans Shocks & Wheels 

IFP Depth (Internal Floating Piston) This separates the oil from the Nitrogen and based on reservoir length the depth of the IFP must be set correctly when servicing a Walker Evans Shock. 

3.75" Reservoir (Most common on snow mobiles) Spec: IFP Depth 2.0"

4.125" Reservoir (Most common on snow mobiles) Spec: IFP Depth 1.875"

5.0" Reservoir (Most common on RZR1000 Front Shocks) IFP Depth 2 7/8" 

8.25" Reservoir (Most common on RZR1000 Rear 2-Seat Shocks) IFP 6 1/4" 

9.25" Reservoir (Most common on RZR1000 Rear 4-Seat Shocks) IFP 7 1/4" 

11" Reservoir (Most common on Turbo-S Velocity Rear) IFP Depth 8" 



Walker Evans Enterprises only makes the actual shocks for Polaris vehicles, not the springs. The springs are made and installed by Polaris Industries. The length and ratings are determined by Polaris. The tender springs (top spring) tend to crush which is normal for the stock spring set up. If your looking to upgrades the springs and or internals of the shocks contact us. 


Nitrogen Pressures

The most common pressure setting for RZR-1000 shocks are 125 to 150 psi. You can put them up to 200 psi as an aftermarket setting.

Most Snow Mobile shocks are set to 200 psi. The only ones that very are Dragon Air shocks. 

There is no need to check your Nitrogen unless you have a leak from your shock. If you choose to check the pressure this must be done with a no release gage. Tire gauges release pressure and will not be accurate. 


Bead Lock Torque Specs

All Cast Walker Evans Wheels have a bead lock ring bolt torque spec of 18-20 lbs.