DRIVEN RACING Rear Sprocket - 42 Tooth 5014-520-42T GASKET TOP END CRF250 Kit adds approximately 20% more

Kit adds approximately 20% more surface area

- 1998-1999

This exhaust system was developed using the same technology that has powered the Graves Racing Team and supported riders to 30 Professional AMA National Championships including 9 Superbike Championship titles and 3 Side x Side Pro Titles (Pro Stock and Pro Mod UTV)

FITMENT: Yamaha R3 2015-2019 / Kawasaki Ninja 650 2017-2019 / Kawasaki Ninja 400 2018-2019

For use with DC-8 clutch assemblies

DRIVEN RACING Rear Sprocket - 42 Tooth 5014-520-42T GASKET TOP END CRF250 Kit adds approximately 20% moreOne of the lightest 520 steel sprockets available today Designed using our proprietary EST Technology Performance and longevity all in one sprocket Attractive black zinc semi gloss finish Lowered surface to remove unnecessary weight