LT1 vette heads
but I guess thats not a bad price on everything. Trending Topics
If the Crane springs are the 10308 dual spring kit, they should be good for .600" lift. I use those same springs with my CC503 cam. I'd check to see what casting number the heads are, "374" and "643" are the desirable castings.
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Are they the crane 10308 dual springs?
$500 for stock heads is a ripoff.
643s are more desirable for porting, because they have additional material that can be removed.
The 10308 kit is good to ~.600" lift, you'll be fine.


