Lincoln Service Parts 1 › Lincoln Electric 9SG8663 CASE BACK G8663 Lincoln Electric 9SG8663 CASE BACK G8663 Sale Price: $162.96 Original Price: $187.40 CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1