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

POLARSTAR AMBI SELECTOR BAR VFC

Does not come with screws or ball bearing

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

Replacement kit for Polarstar F2 unit.

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

Bingo/Airsoftjunkiez MP7 Trigger wires  

Replacement parts for Bingo/Airsoftjunkiez MP7 HPA kit

Type 2 Output Barb Fitting for UGS (part #4) or CGS (part #17). Includes o-rings.

Replacement trigger board for your Polarstar Fusion Engine.

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

Polarstar engine fitting complete with O-ring

Compatible with Jack, F1 and F2

***DOES NOT WORK WITH KYTHERA***

All the O rings you need to completely rebuild your Polarstar Jack HPA engine!

Includes the small screw for the bottom of the engine.