WOSSNER Piston Ring, 85.00 mm, RST8500

Piston Ring - 85.00 mm

The WOSSNER Piston Ring is a replacement ring for WOSSNER 2-stroke pistons. This 85.00 mm ring is made from premium alloy steel and features treatments designed to improve ring seal and extend wear life.

Distributor part number: RST8500. Manufacturer part number: RST8500. Fitment includes the 2005 Polaris 800 XC, 2004 Polaris 800 PRO X, 2011 and 2015 Polaris 800 RMK, 2011 Polaris 800 Rush, 2011 and 2013 Polaris Rush 800 ES, 2011 Polaris RMK 800 Dragon, 2019 Polaris SwitchBack 800 Assault, and the 2007 Arctic Cat Crossfire 8 with a 141-inch track.

Features:

• Brand: WOSSNER
• Product: Replacement piston ring for WOSSNER 2-stroke pistons
• Size: 85.00 mm
• Material: Premium alloy steel
• Design: Feature treatments intended to improve ring seal and extend wear life
• Distributor part number: RST8500
• Manufacturer part number: RST8500
• Fitment: 2005 Polaris 800 XC; 2004 Polaris 800 PRO X; 2011 and 2015 Polaris 800 RMK; 2011 Polaris 800 Rush; 2011 and 2013 Polaris Rush 800 ES; 2011 Polaris RMK 800 Dragon; 2019 Polaris SwitchBack 800 Assault; 2007 Arctic Cat Crossfire 8 with a 141-inch track

Fitment:
2000 Polaris 800 RMK
2001 Polaris 800 RMK
2001 Polaris 800 XC
2002 Polaris 800 RMK
2002 Polaris 800 XC
2003 Polaris 800 PRO X
2003 Polaris 800 RMK
2003 Polaris 800 XC
2004 Polaris 800 PRO X
2004 Polaris 800 RMK
2004 Polaris 800 SwitchBack
2005 Polaris 800 RMK
2005 Polaris 800 SwitchBack
2005 Polaris 800 XC
2007 Arctic Cat Crossfire 8 w/141" Track
2007 Arctic Cat Crossfire 8 Sno Pro w/136" Track
2007 Arctic Cat Crossfire 800 EFI
2007 Arctic Cat Crossfire 800 EFI Sno Pro
2007 Arctic Cat F8
2007 Arctic Cat F8 EXT w/144" Track
2007 Arctic Cat F8 Sno Pro Limited w/128" Track
2007 Arctic Cat F8 EFI
2007 Arctic Cat F8 EFI LXR
2007 Arctic Cat F8 EFI Sno Pro
2007 Arctic Cat F8 EFI Sno Pro Tony Stewart
2007 Arctic Cat F800 LXR w/128" Track
2007 Arctic Cat M8 EFI 141
2007 Arctic Cat M8 EFI 153
2007 Arctic Cat M8 EFI 162
2008 Arctic Cat Crossfire 8 w/141" Track
2008 Arctic Cat Crossfire 8 Sno Pro w/136" Track
2008 Arctic Cat Crossfire 800 EFI
2008 Arctic Cat Crossfire 800 EFI Sno Pro
2008 Arctic Cat F8
2008 Arctic Cat F8 EXT w/144" Track
2008 Arctic Cat F8 Sno Pro Limited w/128" Track
2008 Arctic Cat F8 EFI
2008 Arctic Cat F8 EFI LXR
2008 Arctic Cat F8 EFI Sno Pro
2008 Arctic Cat F8 LE (Spring Only) w/128" Track
2008 Arctic Cat F800 EFI
2008 Arctic Cat F800 LXR w/128" Track
2008 Arctic Cat M8 EFI 153
2008 Arctic Cat M8 EFI 162
2008 Polaris 800 Dragon IQ
2008 Polaris 800 Dragon RMK 155
2008 Polaris 800 Dragon RMK 163
2008 Polaris 800 IQ
2008 Polaris 800 RMK
2008 Polaris IQ 800 Touring
2008 Polaris RMK 800 2.4" w/155" Track
2008 Polaris RMK 800 Assault 2.25" w/155" Track
2008 Polaris RMK 800 Dragon
2008 Polaris RMK 800 Dragon w/155" Track - (Late)
2008 Polaris RMK 800 Shift w/144" Track
2008 Polaris RMK 800 SP w/144" Track
2008 Polaris RMK 800 SP w/151" Track
2008 Polaris RMK 800 w/144" Track
2008 Polaris RMK 800 w/163" Track
2009 Arctic Cat Crossfire 8 w/136" Track
2009 Arctic Cat Crossfire 800 EFI
2009 Arctic Cat Crossfire 800 EFI Sno Pro
2009 Arctic Cat Crossfire 800 EFI Sno Pro LE
2009 Arctic Cat Crossfire R 8
2009 Arctic Cat Crossfire R 8 LE
2009 Arctic Cat F8
2009 Arctic Cat F8 EXT w/144" Track
2009 Arctic Cat F8 Sno Pro Limited w/128" Track
2009 Arctic Cat F8 EFI
2009 Arctic Cat F8 EFI LXR
2009 Arctic Cat F8 EFI Sno Pro
2009 Arctic Cat F800 EFI
2009 Arctic Cat F800 Sno Pro RR w/129" Track
2009 Arctic Cat M8 153
2009 Arctic Cat M8 153 Sno Pro LE
2009 Arctic Cat M8 EFI 153
2009 Arctic Cat M8 EFI 153 Sno Pro
2009 Arctic Cat M8 EFI 153 Sno Pro LE
2009 Arctic Cat M8 EFI 162
2009 Arctic Cat M8 EFI 162 Sno Pro
2009 Polaris 800 Assault RMK 146
2009 Polaris 800 Dragon IQ
2009 Polaris 800 Dragon RMK 155
2009 Polaris 800 Dragon RMK 163
2009 Polaris 800 IQ
2009 Polaris 800 RMK
2009 Polaris 800 RMK 144
2009 Polaris 800 RMK 155
2009 Polaris IQ 800 Touring
2009 Polaris RMK 800 Assault w/155" Track
2009 Polaris RMK 800 Assault 2.25" w/155" Track
2009 Polaris RMK 800 Assault LE 2.13" w/155" Track
2009 Polaris RMK 800 Assault w/153" Track
2009 Polaris RMK 800 Dragon
2009 Polaris RMK 800 Shift
2009 Polaris RMK 800 Shift w/144" Track
2009 Polaris RMK 800 Shift w/155" Track
2009 Polaris RMK 800 SP w/144" Track
2009 Polaris RMK 800 SP w/151" Track
2009 Polaris RMK 800 w/163" Track
2010 Polaris 800 Assault RMK 146
2010 Polaris 800 Dragon RMK 155
2010 Polaris 800 Dragon RMK 163
2010 Polaris 800 IQ
2010 Polaris 800 RMK
2010 Polaris 800 RMK 144
2010 Polaris 800 RMK 155
2010 Polaris IQ 800 Touring
2010 Polaris RMK 800 Assault w/155" Track
2010 Polaris RMK 800 Assault 2.25" w/155" Track
2010 Polaris RMK 800 Assault LE 2.13" w/155" Track
2010 Polaris RMK 800 Assault w/153" Track
2010 Polaris RMK 800 Dragon
2010 Polaris RMK 800 Shift w/144" Track
2010 Polaris RMK 800 SP w/144" Track
2010 Polaris RMK 800 SP w/151" Track
2010 Polaris RMK 800 w/163" Track
2011 Polaris 800 RMK
2011 Polaris 800 RMK 155
2011 Polaris 800 RMK Assault 155
2011 Polaris 800 Rush
2011 Polaris RMK 800 Assault w/155" Track
2011 Polaris RMK 800 w/155" Track
2011 Polaris RMK 800 Assault LE 2.13" w/155" Track
2011 Polaris RMK 800 Assault w/146" Track
2011 Polaris RMK 800 Assault w/153" Track
2011 Polaris RMK 800 Dragon
2011 Polaris RMK 800 Dragon w/155" Track
2011 Polaris RMK 800 Dragon w/163" Track
2011 Polaris RMK 800 ES w/155" Track
2011 Polaris RMK 800 Shift w/144" Track
2011 Polaris RMK 800 w/144" Track
2011 Polaris RMK 800 w/163" Track
2011 Polaris Rush 800 ES
2012 Polaris 800 RMK
2012 Polaris 800 RMK 155
2012 Polaris 800 RMK Assault 155
2012 Polaris 800 Rush
2012 Polaris RMK 800 Assault w/155" Track
2012 Polaris RMK 800 w/155" Track
2012 Polaris RMK 800 Assault LE 2.13" w/155" Track
2012 Polaris RMK 800 Assault w/146" Track
2012 Polaris RMK 800 Assault w/153" Track
2012 Polaris RMK 800 Dragon
2012 Polaris RMK 800 Dragon w/155" Track
2012 Polaris RMK 800 Dragon w/163" Track
2012 Polaris RMK 800 ES w/155" Track
2012 Polaris RMK 800 w/163" Track
2012 Polaris Rush 800 ES
2013 Polaris 800 RMK
2013 Polaris 800 RMK 155
2013 Polaris 800 RMK Assault 155
2013 Polaris 800 Rush
2013 Polaris RMK 800 2.4" w/155" Track
2013 Polaris RMK 800 Assault w/155" Track
2013 Polaris RMK 800 Assault LE 2.13" w/155" Track
2013 Polaris RMK 800 Assault w/146" Track
2013 Polaris RMK 800 Assault w/153" Track
2013 Polaris RMK 800 Dragon
2013 Polaris RMK 800 Dragon w/155" Track
2013 Polaris RMK 800 Dragon w/163" Track
2013 Polaris RMK 800 ES w/155" Track
2013 Polaris RMK 800 w/136" Track
2013 Polaris RMK 800 w/163" Track
2013 Polaris Rush 800 ES
2014 Polaris 800 RMK
2014 Polaris 800 RMK 155
2014 Polaris 800 RMK Assault 155
2014 Polaris 800 RMK Assault 155 LE
2014 Polaris RMK 800 2.4" w/155" Track
2014 Polaris RMK 800 w/155" Track
2014 Polaris RMK 800 Assault 2.25" w/155" Track
2014 Polaris RMK 800 Assault w/146" Track
2014 Polaris RMK 800 Assault w/153" Track
2014 Polaris RMK 800 Dragon
2014 Polaris RMK 800 Dragon w/155" Track
2014 Polaris RMK 800 Dragon w/163" Track
2014 Polaris RMK 800 w/136" Track
2014 Polaris RMK 800 w/163" Track
2014 Polaris Rush 800
2014 Polaris Rush 800 ES
2015 Polaris 800 RMK
2015 Polaris 800 RMK 155
2015 Polaris 800 RMK Assault 155
2015 Polaris RMK 800 Assault w/155" Track
2015 Polaris RMK 800 Assault LE 2.13" w/155" Track
2015 Polaris RMK 800 Assault w/146" Track
2015 Polaris RMK 800 Assault w/153" Track
2015 Polaris RMK 800 Dragon
2015 Polaris RMK 800 LE w/155" Track
2015 Polaris RMK 800 LE w/163" Track
2015 Polaris RMK 800 w/163" Track
2015 Polaris Rush 800
2016 Polaris 800 RMK
2016 Polaris 800 RMK 155
2016 Polaris 800 RMK Assault 155
2016 Polaris 800 RMK Assault 155 3in.
2016 Polaris RMK 800 2.4" w/155" Track
2016 Polaris RMK 800 Assault w/155" Track
2016 Polaris RMK 800 w/155" Track
2016 Polaris RMK 800 Assault 2.25" w/155" Track
2016 Polaris RMK 800 Assault 2.6" w/155" Track
2016 Polaris RMK 800 Dragon
2016 Polaris RMK 800 SKS 2.25" w/155" Track
2016 Polaris RMK 800 w/163" Track
2016 Polaris Rush 800
2017 Polaris 800 RMK
2017 Polaris 800 RMK Assault 155
2017 Polaris 800 RMK Assault 155 3in.
2017 Polaris RMK 800 2.4" w/155" Track
2017 Polaris RMK 800 Assault w/155" Track
2017 Polaris RMK 800 Assault 2.25" w/155" Track
2017 Polaris RMK 800 Assault 2.6" w/155" Track
2017 Polaris RMK 800 SKS 2.25" w/155" Track
2017 Polaris RMK 800 w/163" Track
2017 Polaris Rush 800
2018 Polaris 800 RMK
2018 Polaris 800 RMK Assault 155
2018 Polaris 800 Titan Adventure 155
2018 Polaris 800 Titan SP 155
2018 Polaris 800 Titan XC 155
2018 Polaris RMK 800 2.4" w/155" Track
2018 Polaris RMK 800 Assault w/155" Track
2018 Polaris RMK 800 Assault 2.25" w/155" Track
2018 Polaris RMK 800 Assault 2.6" w/155" Track
2018 Polaris RMK 800 SKS 2.25" w/146" Track
2018 Polaris RMK 800 SKS 2.25" w/155" Track
2018 Polaris RMK 800 w/163" Track
2018 Polaris Rush 800
2019 Polaris 800 PRO-RMK 155
2019 Polaris 800 PRO-RMK 155 3in.
2019 Polaris 800 PRO-RMK 163
2019 Polaris 800 PRO-RMK 163 3in.
2019 Polaris 800 PRO-RMK 174
2019 Polaris 800 RMK Assault 155
2019 Polaris 800 Titan Adventure 155
2019 Polaris 800 Titan SP 155
2019 Polaris 800 Titan XC 155
2019 Polaris 850 PRO-RMK 155 3in.
2019 Polaris 850 PRO-RMK 163
2019 Polaris 850 SKS 146
2019 Polaris 850 SKS 155
2019 Polaris Pro-RMK 800 2.6" w/155" Track
2019 Polaris Pro-RMK 800 2.6" w/163"Track
2019 Polaris Pro-RMK 800 3" w/174" Track
2019 Polaris RMK 800 2.4" w/155" Track
2019 Polaris RMK 800 Assault w/155" Track
2019 Polaris RMK 800 Assault 2.25" w/155" Track
2019 Polaris RMK 800 Assault 2.6" w/155" Track
2019 Polaris RMK 800 SKS 2.25" w/146" Track
2019 Polaris RMK 800 SKS 2.25" w/155" Track
2019 Polaris RMK 800 w/163" Track
2019 Polaris SwitchBack 800 Assault
2020 Polaris 800 PRO-RMK 155
2020 Polaris 800 PRO-RMK 155 3in.
2020 Polaris 800 PRO-RMK 163
2020 Polaris 800 PRO-RMK 163 3in.
2020 Polaris 800 PRO-RMK 174
2020 Polaris 800 Titan Adventure 155
2020 Polaris 800 Titan SP 155
2020 Polaris 800 Titan XC 155
2020 Polaris 850 INDY XC 129
2020 Polaris 850 INDY XC 137
2020 Polaris 850 PRO-RMK 155 3in.
2020 Polaris 850 PRO-RMK 163
2020 Polaris 850 RMK KHAOS 155
2020 Polaris 850 RMK KHAOS 155 3in.
2020 Polaris 850 SKS 146
2020 Polaris 850 SKS 155
2020 Polaris Indy 850 Adventure 1.25" w/137" Track
2020 Polaris Indy 850 Adventure 1.35" w/137" Track
2020 Polaris Indy 850 Adventure 1.50" w/137" Track
2020 Polaris Indy 850 XC 1.25" w/129" Track
2020 Polaris Indy 850 XC 1.25" w/137" Track
2020 Polaris Indy 850 XC 1.35" w/129" Track
2020 Polaris Indy 850 XC 1.35" w/137" Track
2020 Polaris Indy 850 XC 1.50" w/129" Track
2020 Polaris Indy 850 XC 1.50" w/137" Track
2020 Polaris Pro-RMK 800 2.6" w/155" Track
2020 Polaris Pro-RMK 800 2.6" w/163"Track
2020 Polaris Pro-RMK 800 3" w/163"Track
2020 Polaris Pro-RMK 800 3" w/174" Track
2020 Polaris Pro-RMK 800 3" w/155" Track
2020 Polaris Titan 800 Adventure 1.50" w/155" Track
2020 Polaris Titan 800 SP 1.375"/1.8" w/155" Track
2020 Polaris Titan 800 XC 1.375" w/155" Track
2020 Polaris Titan 800 XC 1.50" w/155" Track
2020 Polaris Titan 800 XC 1.80" w/155" Track
2021 Polaris 800 Titan Adventure 155
2021 Polaris 800 Titan SP 155
2021 Polaris 800 Titan XC 155
2021 Polaris 850 INDY XC 129
2021 Polaris 850 INDY XC 137
2021 Polaris 850 Indy XC launch Edition 129
2021 Polaris 850 Indy XC Launch Edition 137
2021 Polaris 850 PRO-RMK 155 3in.
2021 Polaris 850 PRO-RMK 163
2021 Polaris 850 RMK KHAOS 155
2021 Polaris 850 RMK KHAOS 155 3in.
2021 Polaris 850 RMK KHAOS 163 2.6in.
2021 Polaris 850 SKS 146
2021 Polaris 850 SKS 155
2021 Polaris Indy 850 Adventure 1.35" w/137" Track
2021 Polaris Indy 850 Adventure 1.50" w/137" Track
2021 Polaris Indy 850 XC 1.25" w/129" Track
2021 Polaris Indy 850 XC 1.25" w/137" Track
2021 Polaris Indy 850 XC 1.35" w/129" Track
2021 Polaris Indy 850 XC 1.35" w/137" Track
2021 Polaris Indy 850 XC 1.50" w/129" Track
2021 Polaris Indy 850 XC 1.50" w/137" Track
2021 Polaris Pro-RMK 800 3" w/163"Track
2021 Polaris Pro-RMK 800 3" w/155" Track
2021 Polaris Titan 800 XC 1.50" w/155" Track
2021 Polaris Titan 800 XC 1.80" w/155" Track
2022 Polaris 800 Titan Adventure 155
2022 Polaris 800 Titan XC 155
2022 Polaris 850 INDY XC 129
2022 Polaris 850 INDY XC 137
2022 Polaris 850 RMK KHAOS AXYS 155 2.75in.
2022 Polaris 850 RMK KHAOS AXYS 155 3in.
2022 Polaris 850 RMK KHAOS AXYS 163 3in.
2022 Polaris 850 RMK KHAOS AXYS 165 2.75in.
2022 Polaris Indy 850 Adventure 1.25" w/137" Track
2022 Polaris Indy 850 Adventure 1.35" w/137" Track
2022 Polaris Indy 850 Adventure 1.50" w/137" Track
2022 Polaris Indy 850 XC 1.25" w/129" Track
2022 Polaris Indy 850 XC 1.25" w/137" Track
2022 Polaris Indy 850 XC 1.35" w/129" Track
2022 Polaris Indy 850 XC 1.35" w/137" Track
2022 Polaris Indy 850 XC 1.50" w/129" Track
2022 Polaris Titan 800 Adventure 1.80" w/155" Track
2022 Polaris Titan 800 XC 1.80" w/155" Track
2023 Polaris 800 Titan Adventure 155
2023 Polaris 850 INDY XC 129
2023 Polaris 850 INDY XC 137
2023 Polaris 850 RMK KHAOS 155
2023 Polaris Indy 850 Adventure 1.25" w/137" Track
2023 Polaris Indy 850 Adventure 1.50" w/137" Track
2023 Polaris Indy 850 XC 1.25" w/129" Track
2023 Polaris Indy 850 XC 1.25" w/137" Track
2023 Polaris Indy 850 XC 1.50" w/129" Track
2023 Polaris Indy 850 XC 1.50" w/137" Track
2023 Polaris Titan 800 Adventure 1.80" w/155" Track
2024 Polaris 850 INDY XC 129
2024 Polaris 850 INDY XC 137
2024 Polaris 850 RMK KHAOS 155