SRH has become one of the leading suppliers of properly designed powerful CNC heads.  We have a strong database of dyno proven and track results, look at our results page! Also please look at our track and dyno proven line burr ported manifolds! From NHRA records to working with major cylinder head companies, let our knowledge work for you! Heads are finished per​ application with many options! We have cylinder heads for NA, nitrous, and turbo applications! 
    -SMALL BLOCK CHEVY- ​​    -LS CHEVY- ​    -BIG BLOCK CHEVY- ​    -FORD​- ​    -OTHER-