Home > Hop Up Kits > GX390, GX340, 420 Predator, & 11 hp up Chinese OHV > Stage 1
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Hop Up Kit; GX340 to GX390, 420 Predator, & 13/15hp OHV; Stage 1 Hop Up Kit; GX340 to GX390, 420 Predator, & 13/15hp OHV; Stage 1

Basic kit for improving the performance of GX390s, 420 Predators, 13/15 hp Chinese OHVs. Simple to install and provides a significant performance increases

Our Price: $35.32