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Hop Up Kit - GX340 - GX390, 420 Predators, and 13/15hp OHV, Stage 1 Hop Up Kit - GX340 - GX390, 420 Predators, and 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: $49.99