SWM RS SM 300 500 R 2016-2020 AS3 FACTORY REAR SPROCKET 520 50T BLACK year 2013 Upgrade your standard water pump

Upgrade your standard water pump impeller by fitting an AS3 Performance billet aluminium impeller with one piece gear and shaft

2011-2019 Suzuki GSX-S 750

2004-2006 Ducati ST4

2019-2024 Yamaha YZ 250 X

SWM RS SM 300 500 R 2016-2020 AS3 FACTORY REAR SPROCKET 520 50T BLACK year 2013 Upgrade your standard water pumpAS3 Performance Factory Series rear sprockets combine the strength of steel and the light weight of aluminium to give you the ultimate hard wearing rear sprocket. The outer ring is manufactured from hardened steel with a nickel coating and will outlast an aluminium sprocket by up to 3 times. The inner ring is constructed from aircraft grade 7075 T6 aluminium and is up to 50% lighter than a standard steel sprocket. Details Teeth: 50 Chain: 520 Will Fit