Home > Hop Up Kits > GX390, GX340, 420 Predator, & 11 hp up Chinese OHV > Stage 2
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Hop Up Kit - GX340 - GX390, 420 Predators, and 13/15hp OHV, Stage 2 Hop Up Kit - GX340 - GX390, 420 Predators, and 13/15hp OHV, Stage 2

As step up from the Stage 1, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.

Our Price: $148.00
Hop Up Kit - 420 Hemi Predator, Stage 3 Hop Up Kit - 420 Hemi Predator, Stage 3

As step up from the Stage 1, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.

Our Price: $343.00
Hop Up Kit - GX390 and 13/15hp OHV, Stage 3 Hop Up Kit - GX390 and 13/15hp OHV, Stage 3

As step up from the Stage 1, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.

Our Price: $377.00