Quote:
Originally Posted by cushmancomp  These are boss 429 heads and valve covers. Are you going to shrink the bore spacing and redo water jackets and head bolts to fit a small block? Boss 429 hads require special oil feed locations that are just not in a small block ford to oil the valve train. those valve covers will be about an inch too wide when you get them on a 351. Are these realy going on a small block? |
The builder of these billet heads took a styling cue from the 429 heads, they are not 429 heads.