S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 They also work great as

They also work great as tall bars on KLX140s

How much power can I expect to get from this upgrade

Aasa's High Compression Cast Piston Kit

and Race Cam for 86cc-107cc Import/Chinese Engines*

aluminum mount brackets

S-Stage α Bore Up Kit w/ Cam & Hyper ECU - 125cc – 2019+ CRF110 tbw1466 They also work great as125cc Bore Kit w Cam & Hyper ECU for 2019+ CRF110 S Stage Bore Up Kit This bore up kit allows you to increase the engine displacement from the standard 110cc to 125cc by replacing the cylinder and piston. The cylinder features an aluminum construction with a cast iron sleeve for enhanced durability. By installing it together with the Hyper ECU, you can achieve a torque rich output that differs from the stock setup. Bore: 53. 5mm Compression ratio: 10.