The Boss engine makes 507hp (at 6,500 rpm) and 450lb - ft (at 5,100 rpm) in an 8.2 - deck Boss block with a Scat forged crank and forged I - beam rods, Mahle forged pistons, a fairly
healthy hydraulic roller cam (232/240 duration at.050 lift,.580 /.602 lift), aluminum Z2 heads, and 10.2:1 compression.