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PolarStar Light Poppet Spring for FE/F2


Only 4 left in stock


High-quality, durable, and easy-to-install spring for PolarStar Fusion Engine and F2 HPA systems. Provides lighter spring force for improved performance and accuracy at lower PSI.

The PolarStar Light Poppet Spring is a direct replacement for the stock spring in the Fusion Engine and F2 systems. You can easily install it in a few minutes with basic tools.
The spring is also compatible with a variety of other PolarStar HPA systems, including the JACK and Kythera.

  • Improved performance
  • Increased accuracy
  • More consistent air seal
  • Easy to install
  • Lower PSI operation
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