Fits The Following Bikes: Kawasaki KX250 2005-2007 Silencer Description: The R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure...

Fits The Following Bikes: Suzuki RM125 2004-2007 Pipe Description: The original Pro Circuit Works Pipe offers unparalleled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires...

Fits The Following Bikes: Kawasaki KX250 2021-2024 Exhaust Description:  The Ti-6 Titanium Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is constructed of carbon fiber. The Ti-6 is ideal...

Fits The Following Bikes: Kawasaki KX450 2019-2023 Water Pump Description: The Pro Circuit Water Pump Kit is designed to increase the performance of your cooling system. Each water pump assembly has been CNC-machined from billet aluminum and is color anodized. The Pro Circuit Water...

Pro Circuit Brake Levers are made by Sunline and forged from 6061-T6 aluminum for strength and durability. This lever is designed to fit the stock perch and exceeds OEM specifications. 

Fits The Following Bikes: Kawasaki KX125 2004-2005 Pipe Description: The Platinum Pipe offers the same performance gains as the popular Works Pipe, but utilizes a platinum plating on the body to protect it from everyday elements. Precision in design and engineering makes even the...

Fit's The Following Bikes: Standard Bikes (125cc-500cc) Fork Decal Description: Need to replace your fork decals? Pro Circuit Showa fork decals are 4 mil. thick vinyl decals that wrap around the fork tubes to offer better protection from rocks and other debris.

Fits The Following Bikes: Yamaha YZ250F 2019-2023 Yamaha YZ450F 2018-2021 Yamaha YZ450X 2019-2021 Shift Lever Description: Built to meet the rigorous demands of motocross, the Pro Circuit shift lever is CNC-machined from aircraft quality billet aluminum for strength, hard anodized for durability and comes with...

Fits The Following Bikes: Kawasaki KX85/100 2014-2023 Kawasaki KX250F 2004-2023 Kawasaki KX450F 2010-2023 Brake Hose Clamp Description: The Pro Circuit Brake Hose Clamp firmly holds the brake line in place, and even with it's compact design, this clamp is more durable than stock and...

T-6 Exhaust Decal Description: If you are looking to color replace your worn-out or damaged exhaust decals, look no further. Pro Circuit's Exhaust Decals section has just about every exhaust sticker ever made.

T-6 Exhaust Decal Description: If you are looking to color replace your worn-out or damaged exhaust decals, look no further. Pro Circuit's Exhaust Decals section has just about every exhaust sticker ever made.

T-6 Exhaust Decal Description: If you are looking to color replace your worn-out or damaged exhaust decals, look no further. Pro Circuit's Exhaust Decals section has just about every exhaust sticker ever made.

Fit's The Following Bikes: Standard Bikes (125cc-500cc)   Fork Decal Description: Need to replace your fork decals? Pro Circuit KYB fork decals are 4 mil. thick vinyl decals that wrap around the fork tubes to offer better protection from rocks and other debris.

T-4 Exhaust Decal Description: This replacement exhaust side decal was made for the T-4 Slip-On Silencer. Retail price $15

Race Chair Description: The Pro Circuit Race Chair is lightweight and durable. This folding aluminum pit chair features padded armrests with polyester seat and backrest along with printed Pro Circuit logos, front and back. Perfect for lounging at the truck after a hard moto....

Fits The Following Bikes: Yamaha YZ85 2019-2025 Silencer Description: The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers added top end performance while reducing noise output. The brushed aluminum body and stainless steel inlet tube and end-cap gives you...

Fits The Following Bikes: Yamaha YZ250 2002-2025 Yamaha YZ250X 2016-2025   Silencer Description: The 304 silencer is recommended for most two-stroke applications. The slightly longer body offers added top end performance while reducing noise output. The brushed aluminum body and stainless steel inlet tube...

Fits The Following Bikes: Kawasaki KX250F 2025-26 Kawasaki KX450F 2024-2026   Throttle Tube Description: Pro Circuit throttle tubes are CNC-machined out of aluminum, and are Teflon coated on the inside to reduce friction which gives you a smoother twist of the throttle.

Fits The Following Bikes: Kawasaki KX250F 2021-2023 Kawasaki KX250X 2021-2023 Cover Description: Pro Circuit Clutch Covers are CNC-machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation. Cooler operating temperatures means improved performance. Here's a chance to add a product to your...

Titanium Catch Can Description: The popular catch cans that are secured on frames of factory bikes and our own Monster Energy/Pro Circuit/Kawasaki race bikes can now be a works part of your own. Handmade from titanium, the catch can connects to the over flow...