Aluminum Head Identification

[snyderjw1]

Received a picture of these heads from machinist I use...anyone know what they are?

The casting no. is hard to see in one picture but it is something like...25500031 stage II I guess??

Thanks for any info.... John

 

[TurboDave]

What picture?

 

[snyderjw1]

What picture?

fixed it....sorry, smart phone.....phone owner..not so much.

 

[TurboDave]

NIce stage II heads!!!

 

[turbodave231]

These are early 031 Stage 2 castings. The later versions of these castings have additional material around the rocker shaft bosses for Jesel rockers.