Selling 227cc dart pro1 CNC heads 23 degree.
Heads originally machined and ported by Higgins.
Made 600fwhp on a n/a 406 pump fuel.
930hp on 300shot
Heads have been decked. New springs shimmed to suit .660 life. New stem seals.
Ferrea stainless steel intake and exhaust valves.
Jesel shaft mount rockers with a new shaft bearing installed.
Also have a brand new set of crower severe duty HIPPO lifters to suit will throw into the deal with pushrods for $1000
Also have Edelbrock intake manifold to suit head ports $500
