Race Recap
2016 Team Apparel
2016 Engine Parts
16 CRF and YZF Pistons
Bag Promo
In-House Motor Modifications
In-House Suspension Service
Free Freight on Orders over $250 in the USA (Excl. AK & HI). Online Orders Only.

January 28, 2016

2016 CRF250R/RM-Z250 Pistons

Increased Performance for 2010-2016 RM-Z250s & 2016 CRF250Rs

CORONA, CA - January 28, 2016 - At Pro Circuit, we've earned our reputation as a premier engine builder by offering our customers only the finest performance parts available. Our newest products are High-Compression Piston Kits for the 2016 CRF250R and 2010-2016 RM-Z250. Manufactured by JE Pistons to our exact specifications, Pro Circuit pistons are forged from high-quality aerospace aluminum alloy using the most advanced CNC-machined technologies available. The result is a significant gain in low-end torque and high-RPM performance. Pro Circuit High-Compression Pistons are designed for superior performance in either stock or modified engines.


Pro Circuit. We Race.



January 26, 2016

Engine Performance Parts

Titanium Exhaust & Intake Valves for The 2016 KX450F

CORONA, CA - January 26, 2016 - Pro Circuit is well-known for being a premier engine builder and we offer our customers only the best performance products available. Performance products like our Titanium Exhaust Valves and Titanium Intake Valves are two of those products that will help extend the life of your engine while making a difference in the performance of your race bike. These titanium valves are now available for 2016 KX450F riders looking for a performance advantage over the field. Our titanium valves are designed using our racing experience 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. 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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