My heads went from Indy strait to RyanJ and had him do a VJ and a little clean up on the runners also put the correct springs for my cam so I didnt have any of those problems according to Ryan OTB they flowed 305 intake and 214 exhaust @ 700 after he was done with them they went 314 and 230 @700.


70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4