Dish top. 1.921" CH. Use R40058 or M40058 rings.
5.8L / 351 OHV V8 16V "H" Modified 4.000" Bore 75-79
FORD
5.8L / 351 OHV V8 16V "H,G" Modified 4.000" Bore 75-82
FORD
FO351MC | 5.8L / 351 OHV V8 16V "H" Modified 4.000" Bore 75-79
FORD,
MERCURY
FO351MT | 5.8L / 351 OHV V8 16V "H,G" Modified 4.000" Bore 75-82
FORD