Answer
Dec 04, 2025 - 07:24 AM
Yes, this gearbox shim set is compatible with PolarStar JACK cylinder conversion kits. The JACK is a drop-in HPA system, and using the proper gearbox shims ensures optimal alignment and air seal during operation.
Is this shim set compatible with PolarStar JACK cylinder conversion kits? PolarStar Gearbox Shim Set for Cylinder Conversion Kits
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Open Dec 04, 2025 - 07:24 AM
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PolarStar Gearbox Shim Set for Cylinder Conversion Kits
PolarStar Gearbox Shim Set for Cylinder Conversion Kits These sets of precision shims are used to secure an HPA cylinder within the gearbox shell to prevent unwanted movement. Since the pins in a gearbox shell can vary in size depending on the manufacturer, we have to make the matching holes in our ...
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