Indy heads

I ran them on my 418
360-1 CNC ported by Indy and intake matched
11.5 compression
Mopar performance 557" lift solid cam
1 7/8 w2 TTI headers
72 Demon
4:88 gear

Ran the 1/8" mile 7 seconds flat at 99 mph

My guess was about 500 HP

Lots of fun and lots of money