TB Parts 67mm Top End Gasket Kit - KLX & DRZ110 Z125 Pro - TBW1007 26mm The exhaust valve is now

The exhaust valve is now stainless as well (21-4N material)

When used on a KLX110/L

may need a small removal to the cylinder fin to give clearance for the carb overflow drain

High performance race camshaft (for the Race Head only)

but if you can replace your

TB Parts 67mm Top End Gasket Kit - KLX & DRZ110 Z125 Pro - TBW1007 26mm The exhaust valve is nowReplacement top end gasket kit for the TB Parts 67mm (178cc) bore kit. Includes the top end O ring kit and exhaust gasket. This gasket kit works with the following cylinders: All KLX110 with our 67mm Bore Kit All Z125 with our 67mm Bore Kit YX150 160 and ZS155 engines with our 67mm Bore Kit