TB Parts Aluminum 60mm Cylinder KLX DRZ 110 Z125 143cc 155cc Big Bore - TBW0378 TBW0454 - A heat sensor extension

- A heat sensor extension harness so it can be relocated to the tappet or cam cover

- Intake Kit matched to our V2 Race head

57mm piston with rings

- Race Head – Larger valves (now 25/22mm) and better flow for increased performance

This kit is the complete kit to convert your stock motor into a powerful open class 114cc engine (much more powerful than the stock Chinese 107 and 125cc engines) with tons of torque

TB Parts Aluminum 60mm Cylinder KLX DRZ 110 Z125 143cc 155cc Big Bore - TBW0378 TBW0454 - A heat sensor extensionAll aluminum ceramic coated 60mm cylinder for Trail Bikes and most other 143cc bore kits. Fits some Chinese models like the YX150 160 and ZS155 engines. *Also fits YX150 160 & ZS155 engines!!!