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

MiradaMegaCab said
BMR4200-030 CP Pistons, Bullet SB Chrysler, 4.030 Bore, 9.0:1

1.645CH
9:1CR @62cc head chamber

OP, how many CC’s are your heads?

That’s a great piston. Wonder what their opinion would be for mild boosted (5-15psi) applications.