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June 14, 2019

2019 KX450/YZ250F Titanium Valves

Extend the Lifespan of Your Motor With Pro Circuit Engine Performance Parts

CORONA, CA - June 14, 2019 - Our commitment to offer our customers the very best engine performance parts continues with the release of our titanium exhaust and intake valves for the 2019 KX450 and intake valves for the 2019 YZ250F models. Our titanium valves incorporate a flat faced design for increased compression, are tested using our in-house dyno machine, and manufactured to our exact specifications by Del West, the industry leader in F-1 valve technology. Each exhaust and intake valve is CNC-machined and precision ground. A thermal-nitride coating is then applied to increase performance, durability and help reduce normal wear. Pro Circuit's titanium exhaust and intake valves will help extend the life of 2019 KX450 and 2019 YZ250F engines while providing a gain in performance.


Pro Circuit. We Race.

May 31, 2019

More Than Just Racing Exhaust

Two New Off-Road Pipes for 2019 KTM 250 SX/XC, 300 XC and Husqvarna TC 250 Models


CORONA, CA - May 31, 2019 - At Pro Circuit, we don't just make pipes and silencers for racing, we also make performance pipes and silencers for off-road riders as well. The same exhaust that has stood atop many Supercross and motocross podiums is available to anyone who's ready to bolt one on and head to a forest or off-road trail. For 2019 KTM 250 SX/XC, 300 XC and Husqvarna TC 250 riders, you can choose from one of our off-road version Works or Platinum pipes that have been designed with more ground clearance to help avoid pipe damage from rocks. These pipes still offer the same performance, but are designed with off-road riding in mind. Grab a new pipe and be ready for the next trail ride.

(These pipes are not intended for fuel injected bikes.)


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.


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