What are the casting numbers for 1957 283 heads?
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What are the casting numbers for 1957 283 heads?
For both the hipo heads and low perf. heads
#3
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3740997 for all engines except the 283/283 FI, which used 3731539 heads.
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And the hipo has the single pyramid marking on the front of the head?
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#6
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Crazy that the 539 heads are the cheaper ones, the 997 heads will set you back a couple grand or more.
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EDIT:
Only if they are either the single tower or twin tower markings. single being 1957 Corvette 270 HP and twin being 1956 Corvette 2X4-bbl 283; 1958 passenger car FI
Only if they are either the single tower or twin tower markings. single being 1957 Corvette 270 HP and twin being 1956 Corvette 2X4-bbl 283; 1958 passenger car FI