shovelbill
Oh, the horror...
That's a big dome! Deep breathing 'hemi' but sloooow flame travel. Primitive beasts.
it's actually a modified chamber, did start as a hemi though.......it's a dual quench setup...single plug......my brother Mikey in Canada builds these billet cylinders and heads, rocker, lifter blocks...etc.....all his own design and machine work.
here's the chamber, piston mirrors it......
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his shop now: http://spchoppers.com/products/Billet Small Bore Shovelhead.htm
he's moving to Nevada this year......setting up shop in Vegas