GT90 Conversion Kit

Get up to 10 horsepower. Note: This kit does not complete an engine.

If you want to race down the track, then the GT90 is for you. Convert your motor to a Case Reed Monster. Custom crankcase design, ported cylinder body with sealed intake port, intake is now in the crankcase.

This build is not for the first timer. This is for a complete engine re-build. The guts are not included (clutch parts, crank, rod and piston are not included, nothing inside) this is just the crankcase, housing, covers and carb only. Massive assembly required.

Comes with:

1. GT90 Carburetor and Intake Assembly
2. GT90 Crank Case with Assembled Bearings
3. GT90 Ported Cylinder
4. GT90 High Performance Ported Piston
5. Heavy Duty Stainless Steel Screw Set
6. Crank Case Cover Set
7. All required Gaskets

* Orders received Monday - Friday by 12:00nn PT are eligible for
Same Day Shipping! Except for USPS which ships the next business day.

Our gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.

If you need help with installation or troubleshooting, kindly use our Builder Locator to find builders near you. Builders are experts with motorized bicycles.