GasGas TXT from 2014 until Today.
For Head Cover ST-1060-R.
It uses the best alloys available, to obtain a better output & more traction. The advantage of these heads is that they can hold more water and have thicker walls which helps with the cooling rate, thus improving slightly low revs power.
STAR HEAD Inserts: Forged in the best aluminum alloy to obtain a top quality component and high durability. Its new design has higher water flow to ensure a better cooling rate.