This fitting is used to reroute your macro line to the rear of your GEN 3 Fusion Engine.

This replacement O-Ring kit from PolarStar contains all of the needed O-rings to replace those in your PolarStar F1 HPA Unit.

Replacement kit for Polarstar F2 unit.

Contains all O-rings needed to replace worn, used O-rings in F2 unit.

Replacement trigger board for your Polarstar Fusion Engine.

Replacement trigger board for Jack/F1 and F2

If using a Jack or F1 use the top port (J2)

This wire harness is for all Polarstar engines that use one,  This will replace your existing damaged wire harness and get your build back beaming!

Complete screw kit for the fusion engine V2

Polarstar engine fitting complete with O-ring

Compatible with Jack, F1 and F2

***DOES NOT WORK WITH KYTHERA***

A Shim Kit for your PolarStar Fusion Engine. This is used to space your cylinder to ensure proper nozzle alignment when needed.