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    Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service.

    Diameter: 66.40mm

    Note: This includes ONE Piston Ring and some fitments may require two rings.

    2026 KTM 250 XC 2026 KTM 250 SX 2026 Husqvarna TE250 2025 KTM 250 XC 2025 KTM 250 SX 2025 Husqvarna TE250 2025 Husqvarna TE250 Heritage 2024 KTM 250 XC 2024 KTM 250 SX 2024 KTM 250 EXC TPI 2024 Husqvarna TE250 2023 Yamaha YZ250X 2023 KTM 250 XC 2023 KTM 250 SX 2023 KTM 250 EXC TPI Six Days 2023 Husqvarna TE250 2022 Yamaha YZ250X 2022 Sherco 250 SE Racing 2022 KTM 250 XC TPI 2022 KTM 250 SX 2022 KTM 250 EXC TPI 2022 Husqvarna TE250i 2022 Husqvarna TC250 2021 Yamaha YZ250X 2021 Sherco 250 SER (2T) 2021 KTM 250 XC TPI 2021 KTM 250 SX 2021 KTM 250 EXC TPI 2021 Husqvarna TE250i 2021 Husqvarna TC250 2020 Yamaha YZ250 2020 Yamaha YZ250X 2020 Sherco 250 SER (2T) 2020 KTM 250 XC TPI 2020 KTM 250 SX 2020 KTM 250 Freeride 2020 KTM 250 EXC TPI 2020 Husqvarna TE250i 2020 Husqvarna TC250 2019 Yamaha YZ250X 2019 Sherco 250 SER (2T) 2019 KTM 250 XC 2019 KTM 250 SX 2019 KTM 250 Freeride 2019 KTM 250 EXC TPI 2019 KTM 250 EXC TPI Six Days 2019 Husqvarna TE250i 2019 Husqvarna TC250 2018 Yamaha YZ250X 2018 Sherco 250 SER (2T) 2018 KTM 250 XC 2018 KTM 250 SX 2018 KTM 250 Freeride 2018 KTM 250 EXC 2018 KTM 250 EXC TPI 2018 Husqvarna TE250i 2018 Husqvarna TC250 2018 Husqvarna TC250 (Magura) 2017 Yamaha YZ250 2017 Yamaha YZ250X 2017 Sherco 250 SER (2T) 2017 KTM 250 XC 2017 KTM 250 SX 2017 KTM 250 Freeride 2017 KTM 250 EXC 2017 KTM 250 EXC Six Days 2017 Husqvarna TE250 2017 Husqvarna TC250 2016 Yamaha YZ250 2016 Yamaha YZ250X 2016 Sherco 250 SER (2T) 2016 KTM 250 XC 2016 KTM 250 SX 2016 KTM 250 Freeride 2016 KTM 250 EXC 2016 KTM 250 EXC Six Days 2016 Husqvarna TE250 2016 Husqvarna TC250 2015 Yamaha YZ250 2015 Sherco 250 SER (2T) 2015 KTM 250 XC 2015 KTM 250 SX 2015 KTM 250 Freeride 2015 KTM 250 EXC 2015 KTM 250 EXC Six Days 2015 Husqvarna TE250 2015 Husqvarna TC250 2014 Yamaha YZ250 2014 KTM 250 XCW 2014 KTM 250 SX 2014 KTM 250 Freeride 2014 KTM 250 EXC 2014 Hyosung TE250 2014 Husqvarna TE250 2014 Husqvarna TC250 2014 Husaberg TE250 2013 Yamaha YZ250 2013 KTM 250 XCW 2013 KTM 250 SX 2013 KTM 250 EXC 2013 Husqvarna TE250 2013 Husaberg TE250 2012 Yamaha YZ250 2012 Suzuki RM250 2012 KTM 250 XCW 2012 KTM 250 SX 2012 KTM 250 EXC 2012 Husqvarna WR250 2012 Husaberg TE250 2011 Yamaha YZ250 2011 Suzuki RM250 2011 KTM 250 XCW 2011 KTM 250 SX 2011 KTM 250 EXC 2011 Husqvarna WR250 2011 Husaberg TE250 2011 GasGas EC250 (SACHS) 2010 Yamaha YZ250 2010 KTM 250 XCW 2010 KTM 250 SX 2010 KTM 250 EXC 2010 Husqvarna WR250 2010 GasGas EC250 2010 GasGas EC250 (SACHS) 2009 Suzuki RM250 2009 KTM 250 XCW 2009 KTM 250 SX 2009 KTM 250 EXC 2009 Husqvarna WR250 2009 GasGas MC250 2009 GasGas EC250 2009 GasGas EC250 (MARZ) 2008 Yamaha YZ250 2008 Suzuki RM250 2008 KTM 250 SX 2008 KTM 250 EXC 2008 Husqvarna WR250 2008 GasGas MC250 2008 GasGas EC250 2008 GasGas EC250 (MARZ) 2007 Yamaha YZ250 2007 Suzuki RM250 2007 KTM 250 SX 2007 KTM 250 EXC 2007 Kawasaki KX250 2007 Husqvarna WR250 2007 GasGas MC250 2007 GasGas EC250 2007 GasGas EC250 (MARZ) 2006 Suzuki RM250 2006 KTM 250 SX 2006 KTM 250 EXC 2006 Kawasaki KX250 2006 Husqvarna WR250 2006 Honda CR250R 2006 GasGas EC250 2005 Yamaha YZ250 2005 Suzuki RM250 2005 KTM 250 SX 2005 KTM 250 EXC 2005 Kawasaki KX250 2005 Husqvarna WR250 2005 Husqvarna CR250 2005 Honda CR250R 2005 GasGas MC250 2005 GasGas EC250 2004 Yamaha YZ250 2004 Suzuki RM250 2004 KTM 250 SX 2004 KTM 250 EXC 2004 Kawasaki KX250 2004 Husqvarna WR250 2004 Husqvarna CR250 2004 Honda CR250R 2004 GasGas MC250 2004 GasGas EC250 2003 Yamaha YZ250 2003 Suzuki RM250 2003 KTM 250 SX 2003 KTM 250 EXC 2003 Kawasaki KX250 2003 Husqvarna WR250 2003 Husqvarna CR250 2003 Honda CR250R 2003 GasGas MC250 (WP) 2003 GasGas EC250 2003 GasGas EC250 (WP) 2002 Yamaha YZ250 2002 Suzuki RM250 2002 KTM 250 SX 2002 KTM 250 EXC 2002 Kawasaki KX250 2002 Husqvarna WR250 2002 Husqvarna CR250 2002 GasGas MC250 (WP) 2002 GasGas EC250 2002 GasGas EC250 (WP) 2001 Yamaha YZ250 2001 Suzuki RM250 2001 KTM 250 SX 2001 KTM 250 EXC 2001 Husqvarna WR250 2001 Husqvarna CR250 2001 Honda CR250R 2001 GasGas MC250 (WP) 2001 GasGas EC250 2001 GasGas EC250 (WP) 2000 Yamaha YZ250 2000 Suzuki RM250 2000 KTM 250 SX 2000 KTM 250 EXC 2000 Kawasaki KX250 2000 Husqvarna WR250 2000 Husqvarna CR250 2000 Honda CR250R 2000 GasGas MC250 (WP) 2000 GasGas EC250 1999 Yamaha YZ250 1999 Suzuki RM250 1999 Kawasaki KX250 1999 Husqvarna CR250 1999 Honda CRM250AR 1999 Honda CR250R 1999 GasGas MC250 1999 GasGas EC250 1998 Suzuki RM250 1998 Kawasaki KX250 1998 Husqvarna WR250 1998 Husqvarna CR250 1998 Honda CRM250AR 1998 Honda CR250R 1998 GasGas EC250 1997 Kawasaki KX250 1997 Honda CRM250AR 1997 Honda CR250R 1997 GasGas EC250 1996 Suzuki RM250 1996 Honda CRM250AR 1996 Honda CR250R 1995 Kawasaki KX250 1995 Honda CRM250AR 1995 Honda CR250R 1994 Kawasaki KX250 1994 Honda CRM250AR 1994 Honda CR250R 1993 Kawasaki KX250 1993 Honda CRM250AR 1993 Honda CR250R 1992 Kawasaki KX250 1992 Honda CRM250AR 1992 Honda CR250R 1991 Yamaha DT200R 1991 Honda CRM250AR 1991 Honda CR250R 1990 Yamaha DT200R 1990 Honda CR250R 1989 Yamaha DT200R 1989 Honda CR250R 1988 Honda CR250R 1987 Honda CR250R 1986 Honda CR250R

    Wossner 2-Stroke Ringset - 66.40mm

    by Wossner
    SKU: WORSB6640
    Regular price $39.99
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    Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service.

    Diameter: 66.40mm

    Note: This includes ONE Piston Ring and some fitments may require two rings.

    2026 KTM 250 XC 2026 KTM 250 SX 2026 Husqvarna TE250 2025 KTM 250 XC 2025 KTM 250 SX 2025 Husqvarna TE250 2025 Husqvarna TE250 Heritage 2024 KTM 250 XC 2024 KTM 250 SX 2024 KTM 250 EXC TPI 2024 Husqvarna TE250 2023 Yamaha YZ250X 2023 KTM 250 XC 2023 KTM 250 SX 2023 KTM 250 EXC TPI Six Days 2023 Husqvarna TE250 2022 Yamaha YZ250X 2022 Sherco 250 SE Racing 2022 KTM 250 XC TPI 2022 KTM 250 SX 2022 KTM 250 EXC TPI 2022 Husqvarna TE250i 2022 Husqvarna TC250 2021 Yamaha YZ250X 2021 Sherco 250 SER (2T) 2021 KTM 250 XC TPI 2021 KTM 250 SX 2021 KTM 250 EXC TPI 2021 Husqvarna TE250i 2021 Husqvarna TC250 2020 Yamaha YZ250 2020 Yamaha YZ250X 2020 Sherco 250 SER (2T) 2020 KTM 250 XC TPI 2020 KTM 250 SX 2020 KTM 250 Freeride 2020 KTM 250 EXC TPI 2020 Husqvarna TE250i 2020 Husqvarna TC250 2019 Yamaha YZ250X 2019 Sherco 250 SER (2T) 2019 KTM 250 XC 2019 KTM 250 SX 2019 KTM 250 Freeride 2019 KTM 250 EXC TPI 2019 KTM 250 EXC TPI Six Days 2019 Husqvarna TE250i 2019 Husqvarna TC250 2018 Yamaha YZ250X 2018 Sherco 250 SER (2T) 2018 KTM 250 XC 2018 KTM 250 SX 2018 KTM 250 Freeride 2018 KTM 250 EXC 2018 KTM 250 EXC TPI 2018 Husqvarna TE250i 2018 Husqvarna TC250 2018 Husqvarna TC250 (Magura) 2017 Yamaha YZ250 2017 Yamaha YZ250X 2017 Sherco 250 SER (2T) 2017 KTM 250 XC 2017 KTM 250 SX 2017 KTM 250 Freeride 2017 KTM 250 EXC 2017 KTM 250 EXC Six Days 2017 Husqvarna TE250 2017 Husqvarna TC250 2016 Yamaha YZ250 2016 Yamaha YZ250X 2016 Sherco 250 SER (2T) 2016 KTM 250 XC 2016 KTM 250 SX 2016 KTM 250 Freeride 2016 KTM 250 EXC 2016 KTM 250 EXC Six Days 2016 Husqvarna TE250 2016 Husqvarna TC250 2015 Yamaha YZ250 2015 Sherco 250 SER (2T) 2015 KTM 250 XC 2015 KTM 250 SX 2015 KTM 250 Freeride 2015 KTM 250 EXC 2015 KTM 250 EXC Six Days 2015 Husqvarna TE250 2015 Husqvarna TC250 2014 Yamaha YZ250 2014 KTM 250 XCW 2014 KTM 250 SX 2014 KTM 250 Freeride 2014 KTM 250 EXC 2014 Hyosung TE250 2014 Husqvarna TE250 2014 Husqvarna TC250 2014 Husaberg TE250 2013 Yamaha YZ250 2013 KTM 250 XCW 2013 KTM 250 SX 2013 KTM 250 EXC 2013 Husqvarna TE250 2013 Husaberg TE250 2012 Yamaha YZ250 2012 Suzuki RM250 2012 KTM 250 XCW 2012 KTM 250 SX 2012 KTM 250 EXC 2012 Husqvarna WR250 2012 Husaberg TE250 2011 Yamaha YZ250 2011 Suzuki RM250 2011 KTM 250 XCW 2011 KTM 250 SX 2011 KTM 250 EXC 2011 Husqvarna WR250 2011 Husaberg TE250 2011 GasGas EC250 (SACHS) 2010 Yamaha YZ250 2010 KTM 250 XCW 2010 KTM 250 SX 2010 KTM 250 EXC 2010 Husqvarna WR250 2010 GasGas EC250 2010 GasGas EC250 (SACHS) 2009 Suzuki RM250 2009 KTM 250 XCW 2009 KTM 250 SX 2009 KTM 250 EXC 2009 Husqvarna WR250 2009 GasGas MC250 2009 GasGas EC250 2009 GasGas EC250 (MARZ) 2008 Yamaha YZ250 2008 Suzuki RM250 2008 KTM 250 SX 2008 KTM 250 EXC 2008 Husqvarna WR250 2008 GasGas MC250 2008 GasGas EC250 2008 GasGas EC250 (MARZ) 2007 Yamaha YZ250 2007 Suzuki RM250 2007 KTM 250 SX 2007 KTM 250 EXC 2007 Kawasaki KX250 2007 Husqvarna WR250 2007 GasGas MC250 2007 GasGas EC250 2007 GasGas EC250 (MARZ) 2006 Suzuki RM250 2006 KTM 250 SX 2006 KTM 250 EXC 2006 Kawasaki KX250 2006 Husqvarna WR250 2006 Honda CR250R 2006 GasGas EC250 2005 Yamaha YZ250 2005 Suzuki RM250 2005 KTM 250 SX 2005 KTM 250 EXC 2005 Kawasaki KX250 2005 Husqvarna WR250 2005 Husqvarna CR250 2005 Honda CR250R 2005 GasGas MC250 2005 GasGas EC250 2004 Yamaha YZ250 2004 Suzuki RM250 2004 KTM 250 SX 2004 KTM 250 EXC 2004 Kawasaki KX250 2004 Husqvarna WR250 2004 Husqvarna CR250 2004 Honda CR250R 2004 GasGas MC250 2004 GasGas EC250 2003 Yamaha YZ250 2003 Suzuki RM250 2003 KTM 250 SX 2003 KTM 250 EXC 2003 Kawasaki KX250 2003 Husqvarna WR250 2003 Husqvarna CR250 2003 Honda CR250R 2003 GasGas MC250 (WP) 2003 GasGas EC250 2003 GasGas EC250 (WP) 2002 Yamaha YZ250 2002 Suzuki RM250 2002 KTM 250 SX 2002 KTM 250 EXC 2002 Kawasaki KX250 2002 Husqvarna WR250 2002 Husqvarna CR250 2002 GasGas MC250 (WP) 2002 GasGas EC250 2002 GasGas EC250 (WP) 2001 Yamaha YZ250 2001 Suzuki RM250 2001 KTM 250 SX 2001 KTM 250 EXC 2001 Husqvarna WR250 2001 Husqvarna CR250 2001 Honda CR250R 2001 GasGas MC250 (WP) 2001 GasGas EC250 2001 GasGas EC250 (WP) 2000 Yamaha YZ250 2000 Suzuki RM250 2000 KTM 250 SX 2000 KTM 250 EXC 2000 Kawasaki KX250 2000 Husqvarna WR250 2000 Husqvarna CR250 2000 Honda CR250R 2000 GasGas MC250 (WP) 2000 GasGas EC250 1999 Yamaha YZ250 1999 Suzuki RM250 1999 Kawasaki KX250 1999 Husqvarna CR250 1999 Honda CRM250AR 1999 Honda CR250R 1999 GasGas MC250 1999 GasGas EC250 1998 Suzuki RM250 1998 Kawasaki KX250 1998 Husqvarna WR250 1998 Husqvarna CR250 1998 Honda CRM250AR 1998 Honda CR250R 1998 GasGas EC250 1997 Kawasaki KX250 1997 Honda CRM250AR 1997 Honda CR250R 1997 GasGas EC250 1996 Suzuki RM250 1996 Honda CRM250AR 1996 Honda CR250R 1995 Kawasaki KX250 1995 Honda CRM250AR 1995 Honda CR250R 1994 Kawasaki KX250 1994 Honda CRM250AR 1994 Honda CR250R 1993 Kawasaki KX250 1993 Honda CRM250AR 1993 Honda CR250R 1992 Kawasaki KX250 1992 Honda CRM250AR 1992 Honda CR250R 1991 Yamaha DT200R 1991 Honda CRM250AR 1991 Honda CR250R 1990 Yamaha DT200R 1990 Honda CR250R 1989 Yamaha DT200R 1989 Honda CR250R 1988 Honda CR250R 1987 Honda CR250R 1986 Honda CR250R