308 vs 587 cross section

[skrews]

Thought some might like to see these pics.
308 is on the left

 

[dano]

308's on the left?

 

[4spdragtop]

Thanks! As Dano asked, ID?

 

[PRH]

Thanks for that!!

I’m pretty surprised at how thin the peak of the intake SSR is on the 587 head.
Not a lot to play with there.

 

[skrews]

308 is on the left.

 

[RustyRatRod]

You'd think the later head would be thinner. It certainly isn't.