YATES FORD C3 PORTED CYLINDER HEADS nascar rod drag race stock car racing roush

  
"YATES" Ford C3 ported aluminum cylinder heads. Both heads have been pressure tested--ok. Includes matching DEL WEST titanium 2.125" intake and 1.600" exhaust valves, thirteen roller valve springs and DEL WEST titanium retainers, hardened 10 degree locks, and rocker arm studs.