520 cubic inch Ford Boss 9 engine with Kaase Racing cylinder heads. Brand new, never ran. $16,500 or best offer! (plus shipping). Located in Idaho Falls, Idaho. Contact info is:
It is built on a 460 D9TE cast iron block
Kaase Racing Boss 9 aluminum...
7/16, Double Tapered, .165 wall, ball end Extreme Duty Pushrods
8 - 9.375
8 - 9.875
These are brand new only two installed to check height and found to be incorrect. As mentioned these are Kaase Branded so I‘m sure the supplier is a top of the line manufacture, I’m guessing Comp.