Shipping Cut Off times: Fed Ex Ground is 12 noon | Fedex Express is 2 pm

We recommend FedEx as USPS delivery times can vary
Large orders, engines, heads, custom, special order, etc may not ship same day

Note: Due to fraudulent activity, new customers must ship to billing address! Orders received with different shipping addresses will SHIP to the billing address


Box Stock Project Kit (Upgrade Kit), Stage 1 Header, Black Pipe, Screw end for Briggs muffler, GX200, GX160, 6.5 Chinese OHV, & 212 Predator
Our Price: $142.99
Our Price: $27.99
Box Stock Project Kit (Upgrade Kit), Stage 1 Header, Black Pipe, Screw end for Briggs muffler, GX200, GX160, 6.5 Chinese OHV, & 212 Predator

Includes everything you need to set your engine for the Box Stock class (engine not included). Some parts may differ from picture.

Has fitting to allow Briggs screw in muffler (5 hp). Muffler not included.

Hop Up Kit - GX200 & 6.5 Chinese OHV, Stage 1 Engine, Racing, Kohler CH270 (212), Limited Mod
Our Price: $49.99
Our Price: $1,249.99
Hop Up Kit - GX200 & 6.5 Chinese OHV, Stage 1 Engine, Racing, Kohler CH270 (212), Limited Mod

Basic kit for improving the performance of GX160, 200s, and Chinese 6.5 Engines. Simple to install, you can expect significant performance increases.

GX200 "Open" Racing Engines that provide a great compromise between reliability and power. Up to 17 HP. These are the GX200s that are winning world wide in SA and Modified classes.

GX160s are listed under GX200, Racing Motors Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1
Our Price: $58.99
GX160s are listed under GX200, Racing Motors Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1
For QMA/USAC see or 1/4 Midget Motors Basic kit for improving the performance of GX270 & 270/301cc OHVs. Simple to install, you can expect significant performance increases