NR Racing will be Performing an inventory count Friday March 22


orders may not ship until Monday, March 25th 


Shipping Cut Off times: USPS 9am | 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


Header, RLV 5438C, GX200, GX160, 6.5 Chinese OHV, & 212 Predator Gasket Kit / Engine Set, GX120 : Genuine Honda
Our Price: $24.99
Our Price: $20.99
Header, RLV 5438C, GX200, GX160, 6.5 Chinese OHV, & 212 Predator Gasket Kit / Engine Set, GX120 : Genuine Honda
The number one selling kart pipe Three Stages, 19 1/2" X .940"/1.075"/1.185"

Flange is notched to fit both Hondas and Chinese OHVs. Will fit Predators may may requires a slight enlarging of the bolt holes.

WARNING: Pipe must be supported with a bracket/brace to either the frame or the engine otherwise pipe may fracture or break.
OEM Honda
Hop Up Kit - GX200 & 6.5 Chinese OHV, Stage 1 Engine, 460cc, Street Racing Special, 27+ Hp
Our Price: $49.99
Our Price: $839.99
Hop Up Kit - GX200 & 6.5 Chinese OHV, Stage 1 Engine, 460cc, Street Racing Special, 27+ Hp
Basic kit for improving the performance of GX160, 200s, and Chinese 6.5 Engines. Simple to install, you can expect significant performance increases Entry level 460cc race engine. Low cost and massive power!!
Hop Up Kit - GX340 - GX390, 420 Predators, and 13/15hp Chinese OHV, Stage 4 Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1
Our Price: $918.99
Our Price: $58.99
Hop Up Kit - GX340 - GX390, 420 Predators, and 13/15hp Chinese OHV, Stage 4 Hop Up Kit - GX240 - GX270 - 301 Predators and 9/11hp , Stage 1
The Stage 4 kit starts with package similar to that of the stage 3 but adds a Ported and Milled Head with stainless, stainless valves, stud kit, & HD valve train components. This kist allows up to 35+ HP out of a GX390 and 40+ out of 420/440cc engines. Basic kit for
improving the performance of GX270 & 270/301cc OHVs. Simple to install, you can expect significant performance
increases