RZR 170 Rear Engine Spacer Collar #24 racing springs It utilizes and optimizes the

It utilizes and optimizes the air flow to provide even better cooling

4/90 Bolt Pattern

1/8 inch aluminum backing plate

Billet CNC Machined

RZR 170 Rear Engine Spacer Collar #24 racing springs It utilizes and optimizes theSmall part, big job. This OEM rear engine spacer collar (Polaris #0454573) sets the correct spacing at the rear engine mount on the Polaris RZR 170. If you've pulled the engine for a big bore build, clutch work, or a full rebuild, these little collars have a way of rolling under the workbench and disappearing and running the mount without one (or with the wrong size substitute) puts stress where it doesn't belong and can lead to vibration,