I have recently purchased a 1098 cylinder head for my 59 sprite, casting
number 12G-206.In David Vizards book 'Tuning the A-Series Engine'he refers
to this head as "... the very rare 12G-206 head" and "...the very much rarer
12G-206 head...". Can anyone tell me why this head is rare? Is it because it
is a dog and they have all been scrapped or is it a very desirable head
which is hard to obtain?
Thanks
J.L.Johnson
59 sprite
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