Hallman Replacement Spring LIGHT for Pro RX MBC
$5.00
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This is a light replacement spring only for a Hallman Boost Controller Pro RX. This is the spring that the Pro RX model comes with pre-installed. If you have a functioning Pro RX Hallman MBC, you do not need this. This is a replacement if for some reason you opened up your MBC and the spring launched across the garage and you can not find it.
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