The INDY SR's can make very respectable power when ported properly, with the added benefit to relatively cost effective Rocker setups with V/good Geometry.
849 hp and 753 Trq on a 540 inch, .690" Lift /287* @ .050 Roller
https://www.youtube.com/watch?v=VzWhkC4dAI0Just sayín,
if you already have them, you may wish to address just "how much" you want on a 499 with easy on parts Cam selection ?
versus,
just how much "more" you wish to spend for 440-1's that will undoubtedly need port work also ?
