1mm thick aluminium head spacer and new head O Rings
Fits between the barrel and the cylinder head
A thin smear of Loctite SI5660 is required between the spacer and the barrel.
Fitting this along with a slow action throttle smooths out the initial power delivery.
Available in two versions, 250-280cc & 300cc
Fits:
GasGas- 2002 onward
TRS- 2016-2025 (does not fit the 2026 onwards bikes)
