Our Stage 4+ kits allows you to customize a kit for your application. The 4+ kit starts with package similar to that of the stage 3 kit but adds a Ported and Milled Head, stainless valves, billet rockers, and a serious cam package. Options include everything from roller rockers to stroker kits. This kit will allow you to build a motor in excess of 20+ hp
Stud Kit Includes : Head Studs, Side Cover Studs, Washers & Nuts, Solid case Dowel Pins, Mandatory for all HP applications.
GX200 "Open" Racing Engines that provide a great compromise between reliability and power. Up to 20 HP. These are the GX200s that are winning world wide in SA and Modified classes.
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.
Welcome to NR Racing
We specialize in GX Honda & Chinese OHV Series Engines for Karting, 1/4 Midget, Mini-Bike, Mokai, Winch Boarding, Tractor pulling, and Bar Stool applications. Championship winning motors for QMA, USAC, BSP, AKRA, WKA, & ASN