R R rogergendron Nov 22, 2013 my old stock head rechambered head, milled down to 5.8cc and with a medium horizontal squish made for clearing a grubee type b piston on a 66cc gt5
my old stock head rechambered head, milled down to 5.8cc and with a medium horizontal squish made for clearing a grubee type b piston on a 66cc gt5
