The heavy spring is what comes standard in Fusion Engine and F2 HPA systems. It is also the “extra” spring that comes with the Kythera system.
All Products, HPA, HPA Engines, HPA Fittings
Heavy Nozzle / Poppet Spring – FE/F2/Kythera
£2.99
The heavy spring is what comes standard in Fusion Engine and F2 HPA systems. It is also the “extra” spring that comes with the Kythera system.
Availability: 20 in stock
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