Fits The Following Bikes: Kawasaki KX250F 2006-2014 Kawasaki KX450F 2006-2014 Screen Eliminator Kit Description: The wire inside a four stroke air filter cage is nonconducive to producing horsepower. This replacement kit is designed for Kawasaki race bikes and allows the screen to be removed...

Size: 1 1/2" x 100 4" Flat Base (Euro) Stainless Insert Description: The Pro Circuit Stainless Insert is available in multiple sizes to make your motorcycle quieter, without the loss of power. These inserts are available for both the 4" canister and 3.5" canister. Call...

Thermostrips Description: Overheating is the main reason your bike loses power and performance. Today's high performance race bikes are at the cutting edge of development and continue to push the limits of existing technology. Pro Circuit Thermostrips come in a package of three so...

Size: 3.5" Diameter Stainless End-Cap Description: The Pro Circuit Stainless Steel End-Caps are sold individually. Call for applications. Note: 2007/2008 inserts will NOT fit older model end caps.

End-Cap Size: 3.5" in diameter Hole size is 1.75" End-Cap Description: This Carbon Fiber End-Cap Kit is for the Ti-5/Ti-6 Dual Exhaust Systems. If you're looking to replace a worn or damaged carbon fiber end-cap, look no further. This kit comes with all the...

Fits The Following Bikes: Yamaha WR250-450 1998-2004 Silencer Mount Kit Description: All new rubber silencer mount kit includes everything you need to keep your silencer mounted securely on your bike. Can only be used with certain Yamaha YZ and WR models. call for applications....

Fits The Following Bikes: Honda CR80R 1991-2003 Honda CR85R 2003-2007 Honda CR125R 1991-2003 Honda CR250R 1991-2003 Honda CR500R 1991-2003 Honda CRF150R 2007-2016 Honda CRF450R 2002-2003 Honda XR200 1997-2002 Honda XR250 1996-2004 Honda XR400 1996-2004 Honda XR650 2000-2007 Clutch Lever Description: Pro Circuit Clutch Levers...

Fits The Following Bikes: Honda CR125R/250R 2004-2006 Honda CRF250R/450R 2004-2006 Clutch Lever Description: Pro Circuit Clutch 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 KX80 1997-1999 Kawasaki KX85 2000-2015 Kawasaki KX100 1997-2015 Kawasaki KX125 1994-2005 Kawasaki KX250 1994-2004 Kawasaki KX500 1994-2004 Kawasaki KX250F 2004 Suzuki RM-Z250 2004 Suzuki RM-Z250 2007-2013 Suzuki RM-Z450 2006-2013 Clutch Lever Description: Pro Circuit Clutch Levers are made by...

Fits The Following Bikes: Kawasaki KX65 2000-2010 Kawasaki KLX125 2003-2009 Kawasaki KLX400 2003-2009 Suzuki DR125/250/350 1986-2006 Suzuki DR-Z125 2000-2009 Suzuki DR-Z250 2001-2006 Suzuki DR-Z400 1986-2009 Suzuki RM60 1990-1999 Suzuki RM65 2000-2010 Suzuki RM80 1986-2010 Suzuki RM85 2002-2010 Suzuki RM100 1986-2002 Suzuki RM125 1986-2003 Suzuki...

Fits The Following Bikes: Kawasaki KX250 2005-2008 Kawasaki KX250F 2006-2018 Kawasaki KX450F 2006-2018 Suzuki RM-Z250 2005-2007 Suzuki RM-Z450 2005-2007 Yamaha YZ125 2000-2011 Yamaha YZ250 2000-2011 Yamaha YZ250F 2006-2016 Yamaha YZ400F 1998-1999 Yamaha YZ426F 2000-2002 Yamaha YZ450F 2006-2016 Yamaha WR250F 2000-2002 Forged Clutch Lever Description:...

Fits The Following Bikes: Kawasaki KX80 1997-1999 Kawasaki KX85 2000-2015 Kawasaki KX100 1997-2015 Kawasaki KX125 1994-2005 Kawasaki KX250 1994-2004 Kawasaki KX500 1994-2004 Kawasaki KX250F 2004 Kawasaki KDX200 1985-1996 Kawasaki KLX250 1997-2006 Kawasaki KLX300 2004-2009 Kawasaki KLX650 1997-2006 Yamaha YZ80 1994-1999 Yamaha YZ85 2000-2008 Yamaha...

Fits The Following Bikes: Yamaha YZ85 2002-2018 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...

Fits The Following Bikes: Yamaha YZ250 2002-2023 Yamaha YZ250X 2016-2022 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...

Fits The Following Bikes: Yamaha YZ125 2005-2021 Yamaha YZ125X 2022 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...

Packing Size: 250 Models: 2.65" X 1.10" X 11.5" Fits The Following Silencers: R-304 Silencer 304 Factory Sound Silencer Packing Description: Each silencer packing kit includes all the packing and hardware needed to keep your bike running quietly and at its very best. Pro...

Packing Size: 9" x 3.5" Packing Description: Each silencer packing kit includes all the packing and hardware needed to keep your bike running quietly and at its very best. Pro Circuit recommends re-packing your exhaust every 10-15 hours, but it varies between riders.  For...

Packing Size: 14" x 3.5" Packing Description: Each silencer packing kit includes all the packing and hardware needed to keep your bike running quietly and at its very best. Pro Circuit recommends re-packing your exhaust every 10-15 hours, but it varies between riders. For...

Packing Size: 16" x 3.5" Packing Description: Each silencer packing kit includes all the packing and hardware needed to keep your bike running quietly and at its very best. Pro Circuit recommends re-packing your exhaust every 10-15 hours, but it varies between riders For...

Fits The Following Bikes: Honda CR125R 2002-2007 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...