Trick flow heads how are they ?

70 Dart, 360 stock bottom end, trick flow heads, 250/254@50 584/588 at 106LSA Bullet cam, Edelbrock RPM air gap, Holley 750DP, 904 Auto with 3500 stall and 3:91 gears in an 8 3/4 rear with super stock springs mopar drag shocks and running M/T pro bracket radials 26.0/8.5R15
Edit: 8 point roll bar and Jegs racing buckets also going in and back seat is out