Power tuning hammer spring for your FX Impact MKI or MKII
This hammer spring has a bit higher power curve compared to the MKI hammer spring what will give you more flexibility and power adjustment options when using the power wheel of your FX Impact.
It's great when you want to tune your FX impact for slugs or hybrid slugs and we prefer to use this spring over the factory spring when you use the power plenum in the MKII.
Note: Colour of the spring may vary from what is shown in pic.
Contact us if you need any customization and we shall be happy to get it done for you.
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