Home > Hop Up Kits > GX240, GX 270s, & 8/9 Hp Chinese OHV
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Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1 Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1

Basic kit for improving the performance of GX270 & 270/301cc OHVs. Simple to install, you can expect significant performance increases

Our Price: $58.99
Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 2 Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 2

Step up from the Stage 1, this kit is designed to further improve the power for the GX240s and GX270s by adding a larger carb and cam.

Our Price: $157.99
Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 3 Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 3

As step up from the Stage 2, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.

Our Price: $369.99
Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 4 Hop Up Kit - GX240 - GX270 and 8/9hp Chinese OHV, Stage 4

For building a serious a GX270 or 301, the 4 kit starts with package similar to that of the stage 3 kit but adds a Ported and Milled Head with stainless, stainless valves, stud kit, & HD valve train components.

Our Price: $819.99