CORONA, CA - February 3, 2025 - We debuted with the Blue Carbon Fiber End-Cap, and now we've added Green and Red to the mix! Don't miss your chance to completely customize your Pro Circuit exhaust.
CORONA, CA - February 3, 2025 - The Pro Circuit Engine Package is ALL ABOUT PERFORMANCE! If you need a boost in your engine's performance, this package is equipped with what you need, including a High-Compression Piston Kit, Camshaft, Valve Spring Kit, and Titanium Exhaust and Intake Valves. The head will need to be CNC ported, and this package's pieces aren't available individually.
CORONA, CA - February 2, 2025 - This brand new Pro Circuit Apron has front pockets for keeping tools close at hand, as well as an adjustable neck and waist strap.
CORONA, CA - February 2, 2025 - Many factory teams use the Pro Circuit Camshaft, which is deigned to provide superior performance over stock HP/Torque, by optimizing the valve lift profile. This part must be used in conjunction with Pro Circuit Valve Springs.
CORONA, CA - February 1, 2025 - If you're looking to enhance power across all RPM's, the Pro Circuit High-Compression Piston delivers a boost in low-end torque and maximizes top-end power. It's great for stock and modified engines.
CORONA, CA - February 1, 2025 - After being out of stock for some time, this popular Monster Energy Pro Circuit Kawasaki long-sleeve Tee is back on the website. It is a go-to tee for our team and staff, so grab one and show your team spirit.
Liability:
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.
![]() |
![]() |
![]() |
![]() |