For sale is 1227747 ECM with 27SF512 chip conversion. The ZIF socket is the higher/stronger socket. Unfortunately, if does require the cover to stay removed or a thicker seal is needed to gain clearance. After desired modifications are done, the ZIF socket can be removed for a thinner seal.

I will burn whatever stock bin/chip you desire. Send PM of desired bin and if mods are needed. Shipping charges will be added. If agreed by buyer and seller, the buyer has choice of carrier and type of shipment. $100 for everything described in ad accept shipping charges.