300 promax heads cut to 140lb compression

[johnmiffco]

have a true set of 300 pm heads c10 stampings
that had cut toi 61.5 cc which makes 140lb crank compression
to still be able to run on super unleaded
ran for approx 2 hrs
with orings milled back for cyls and water jackets
will sale heads for the cost of the machinework paid
350.00 + shipping

[Offshore405]

Still have these available? Thanks

[johnmiffco]

forgot about this post,,lol
yes still have them

[Offshore405]

Can you shoot me a message, or call me. Thanks
305-394-2194

[RBARNE4]

Still Available?

[johnmiffco]

yes
send me a txt and will send pics if want
john @ 713 946 9097