NR RACING will be closed 4/9 for inventory, we will not be available for phone or email. We will resume normal business on Monday 4/12

We highly recommend shipping with FedEx, recently orders shipped with USPS have experienced extended delivery dates.
We will not be responsible for any packages sent USPS

Hop Up Kit - GX240, GX270, 9/11hp OHV, & 301, Stage 4 Hop Up Kit- 212 Predator Hemi, Stage 3
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.

Now you are getting serious. A set-up from Stage 2 kit, we add a cam and a choice of carburetors. A billet rod and all need gaskets are also included. HP will range between 11 and 14 depending on cam/carb selected.

Header, RLV NRR5438, GX200, GX160, 6.5 Chinese OHV, & 212 Predator, Mini - Bike Down Draft Style Header, RLV 5438C, GX200, GX160, 6.5 Chinese OHV, & 212 Predator
Same as a RLV 5438 but bent so that it kicks out to the right side. Allows it to fit most Mini Bikes.

The number one selling kart pipe, Three Stages, 19 1/2" X.940"/1.075"/1.185"

Stud Kit, Side Cover (with solid Dowels) - GX200, 6.5 Chinese OHV, & 212 Predator Engine, Racing, 6.5 OHV, Street & Track Special - READY TO SHIP SPECIAL
Stud Kit Includes : Side Cover Studs, Washers & Nuts, Solid case Dowel Pins, Mandatory for all HP applications.

6.5 Chinese OHV economically prepared for stock type racing and for off-road applications need more power than stock.