Which is a better head, what did they come on? Anyone have any for sale?
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Which is a better head, what did they come on? Anyone have any for sale?
It depends on your application. The 317's have bigger combustion chambers and will drop your CR quite a bit, good for FI. The 243's will still flow well but allow you to keep you CR up a bit higher. You can find stock 317's for $150-$250. 243's will cost quite a bit more.
243's are better without a doubt... they usually go from $400-$500.. again just depends what setup u decide on going with.. good luck.
For your sig. you definitely want the 243's to keep compression up.
I have set of 243's setting I will sell.
Already been to the machine shop and had fresh valve seals
and 3 angle valve job done.
They have the blue springs good to .525 lift.
$450+ shipping
This will also include new $110 GM head bolt and gasket kit
so you're really only paying about $350 for the heads and getting
gasket/bolt kit you would need to buy anyway and the heads are
already cleaned up and "ready to bolt on"
I may be interested. I need to do more research though and find out exactly what I want for my setup. Sounds like a good deal though.Quote:
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