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: $41.15
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: $157.00
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: $346.00
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 or 301! Similar to That of the Stage 3 Kit, but Adds a Ported and Milled Head with Stainless Valves, Stud Kit, and Heavy Duty Valve Train Components.

Our Price: $830.00