The Jalopy Journal
I believe these are "997" heads (3740997) for a 1957 Corvette . 1.72" intake and 1.50" exhaust valves used on a 270 horse 283 (dual quad) motor....
Brock..... It's always at the head of my calendar ...... I'll be there in my douche koupe rain or shine ....and ..... I'll bring my appetite as...
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