Dish top. 1.630 CH. Use R40058 or M40058 rings.
6.6L / 400 OHV V8 16V "S" 4.000" Bore 71-79
FORD
6.6L / 400 OHV V8 16V "S,Z" 4.000" Bore 77-82
FORD
FO400C | 6.6L / 400 OHV V8 16V "S" 4.000" Bore 71-79
FORD,
LINCOLN,
MERCURY
FO400T | 6.6L / 400 OHV V8 16V "S,Z" 4.000" Bore 77-82
FORD