Police Interceptor Heads?

Stock unported 2.02 heads in my '71 all steel street/strip 340 10:1 Cuda, 3595lbs with me >.590" solid cam>sorted 850DP>Strip Dom intake>1.3/4" race long tube hdrs, MSD6A, NGK's, 36 total in 1986 went...108mph@6200rpm trap = 376fwhp....your results may vary.