A forged 360 Mag piston that comes in around 8- 8.5:1?

Strange as UEM’s website and tech line states, 2618 alloy is for boost or nitrous applications.

6ACAC7E4-3173-4EFE-91AE-E0E0C0A62BBB.jpeg

B06151A5-B1FC-4DBE-B847-B52A4F608D3B.jpeg

489 grams, so this piston in not actually recommended for boost?