Pro Circuit Radiator Hose Kits Fit Select Honda, Suzuki and Yamaha Models

Superior silicone materials are what makes the Pro Circuit High-Performance Radiator Hose Kits able to withstand higher temperatures and pressures.

Pro Circuit Releases 2019 YZ85 Pipes, Silencers

Pro Circuit pipes and silencers offer noticeable performance and horsepower gains across the entire RPM range. 

Pro Circuit Releases 2019 YZ65/85 Clutch Cover

The Pro Circuit Clutch Cover is CNC-machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation, which improves performance. 

Pro Circuit Releases Triple Clamp Kits for Kawasaki KX250F

The 2013-2019 KX250F and 2013-2018 KX450F received a change in offset from 22mm to 23mm for increased stability along with a repositioned front brake line mount to keep the brake line from rubbing on the front number plate.

Pro Circuit Releases Line of Exhaust Systems for 2019 YZ250F

Whether you choose to bolt on a Ti-6 Pro Titanium Exhaust System or the T-6 Stainless Steel Slip-On Silencer, Pro Circuit has the performance exhaust you’re looking for to take down the competition or storm a desert trail.

Pro Circuit Clutch Springs Fit Yamaha 2019 YZ250F

Newly released from Pro Circuit, the 2019 YZ250F Clutch Springs offer customers an increase in clutch life, decreases clutch slipping and has improved engagement over a stock setup for any rider.

Pro Circuit High-Compression Piston Kit Fits 2019 Kawasaki KX450

Pro Circuit pistons are forged from high-quality aerospace aluminum alloy using advanced CNC-machined technologies.

Pro Circuit Releases Exhaust Systems for KTM 350 SX-F

More fun and better performance is what’s in store for KTM 350 SX-F riders when they head to the track with a Pro Circuit exhaust system or slip-on silencer.

Pro Circuit Designs 2018 CRF250R Titanium Valves

Pro Circuit’s titanium exhaust and intake valves will help extend the life of your engine while providing a gain in performance for the 2018 CRF250R.

Pro Circuit Releases Honda CRF Shift Lever

The new Pro Circuit Shift Lever for the Honda 2018 CRF250R and 2017-2018 CRF450R is CNC-machined from aircraft quality billet aluminum for strength.

Pro Circuit Designs Exhaust for Kawasaki KX450F

Every Pro Circuit exhaust system is proudly designed and manufactured in the USA and offers superior performance and power gains for both the T-6 and Ti-6 line. 

2018 CRF250R Clutch Springs

Newly released from Pro Circuit, 2018 CRF250R Clutch Springs offer customers an increase in clutch life, decreases clutch slipping and has improved engagement over a stock setup for any rider.