LA360 compression

On Mabco’s website they list a piston upgrade with a sku# of 1273
92A8002D-F83C-4D75-BE1E-0B21E03F7287.png
That is a part number for a silvolite cast replacement piston. Wouldn’t you know it, looks just like yours.
AB676473-058C-41E3-83CC-AC1D72B3C2A0.png