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
MOST ORDERS SHIP OUT SAME DAY IF PLACED BY 2PM EST.



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.