Home > Hop Up Kits > GX240, GX270, & 9/11hp Chinese OHV
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Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 1 Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 1

Basic Kit for Improving the Performance of GX270 & 270/301cc OHVs. Simple to Install, You Can Expect Significant Performance Increases!

Our Price: $40.08
Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 2 Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 2

A Step up from the Stage 1, This Kit Is Designed to Further Improve the Power of GX240s and GX270s by Adding a Larger Carb and Cam.

Our Price: $154.00
Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 3 Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 3

Now You Are Getting Serious! A Step up from Our Stage 2 Kit, This Is Designed to Improve the Power and Durability of GX240s and GX270s.

Our Price: $340.00
Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 4 Hop Up Kit; GX240, GX270, 9/11hp OHV, & 301; Stage 4

For building a serious a GX270 or301, 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: $827.00