60.94 cast piston for use in fresh cylinders, with twin ring that can be used to convert RGV and RS250 to 300cc approx.
The dome is shaped to fit TTW heads only.
If you have a SS 300 kit you can use these pistons but you need a new set of heads or new inserts if you have older Cougar Heads (usually red in colour).
Piston x1 supplied with:
These piston only needs the standard amount of thrust washers - 2 per piston.
Total Weight approx 200g and may vary