SB Chevy head question
 

Any body know what these heads are for. What engine and what body style. The first set is casting number 3731539 dated B157. The second set of heads are casting number 3703523 dated E45. Any body have a clue. what is the going rate for each pair of heads.

Thanks for looking,

Ron

Re: SB Chevy head question
 

3731539....57......283..........283 HP FI

3703523....55......265


http://www.mortec.com/castnum.htm

Re: SB Chevy head question
 

3703523 head
1955--- 265 -----172 int 150 ex----195 hp

3731539 head
1957----283------172 int 150 ex----283 HP FI Corvette