Performer RPM Magnum heads?

you won’t need over 500 horse to run low 11’s with a 3000 pound car.
I went 11.26 with a 3350 pound car and wasn’t remotely close to 500 horse. More like maybe 450, maybe.
At 3000 pounds I would have dipped into the 10’s rather easily.
Most chassis's are not optimum for strip use, so I err on the higher side.