3919840 square port heads all have been cleaned and magnafluxed with the following date codes and price
E-18-7 & E-23-7 bare cores $2,000
L-1-7 & L-21-7 bare cores $1500
A-10-8 & A-12-8 bare cores $1500
I-18-8 bare core $750
J-29-8 rebuilt $800
A-2-9 bare core $750
C-25-9 & E-12-9 bare cores $1500
Can ship if you cannot pick up.