Item of The Week
Bag Collection
2019 Team Graphic Kits
Race Recap
Classic Caps
Limited Triple Clamps
Bike Sale
Email Sign Up
Free Freight on Retail Orders over $250 in the USA (Excl. AK & HI). Online Orders Only.

February 14, 2019

2019 KX450 Camshaft and Valve Springs

Superior Performance Parts for the New KX450 Model

CORONA, CA - February 14, 2019 - 2019 KX450 riders can expect nothing but the best in performance parts at Pro Circuit, and the new design of engine parts continues to follow that standard. Camshafts and valve springs are two new items available for the 2019 KX450 that provide superior performance over stock. With no ECU tuning or degree changes required these are must-have items for serious racers looking for an advantage over the competition. 


Pro Circuit. We Race.



February 12, 2019

Monster Energy/Pro Circuit Alert Carry-On

The Third and Final New Bag from the Monster Energy/Pro Circuit Bag Collection


CORONA, CA - February 12, 2019 - The Alert Carry-On is the third and final bag on the market in the Monster Energy/Pro Circuit Bag Collection and is now in stock. Manufactured by OGIO, the Alert makes for a great carry-on to keep your travel essentials at your fingertips while you are in transit. Emrboidered team logos and bold new graphics come equipped for 2019 on the Alert Carry-On.

Pro Circuit. We Race.




All products manufactured and/or distributed by Pro Circuit Products, Inc. are offered and designed for use with standard machines. Pro Circuit Products, Inc. makes no claims as to the products effectiveness on modified machines. Pro Circuit Products, Inc. is the sole determiner of abuse, misuse, installation errors and modifications. We assume no liability for any errors in listings, specifications, part numbers, prices or model applications. Pro Circuit Products, Inc. reserves the right to change specifications, product descriptions, product quality, pricing and model applications at any time without prior oral or written notice and without further obligation.

Adding new components to your motorcycle (especially to the engine, suspension or braking system) may radically alter the acceleration, deceleration, handling and braking characteristics of your motorcycle. Ensure that all parts are installed and properly torqued per the instructions supplied with the part or to the motorcycle manufacturer's original specifications. Test the motorcycle with the new part(s) on level ground, at low speed, without any other vehicles or obstacles nearby, to ensure that it is working properly. Periodically recheck, adjust or replace the parts as may be necessary depending upon the terrain, use, mileage and rider input. Consult the instructions supplied with the part, or the motorcycle manufacturer's original specifications for further details. The failure to properly install, maintain, or familiarize yourself with the new part's use, and proper operation, may result in damage to the motorcycle, and/or a loss of control, resulting in serious injury or death. Buyers assume all risk for any and all damage caused to themselves, a third party and/or property by virtue of failure of these products. By installing and/or using a Pro Circuit Products, Inc. product, you hereby accept and understand these stated terms and conditions.


Click for Older Posts

Positive SSL