Lincoln Service Parts 1 › Lincoln Electric 9SM13724 SPARK GAP BASE M13724 Lincoln Electric 9SM13724 SPARK GAP BASE M13724 Sale Price: $46.07 Original Price: $52.98 SPARK GAP BASE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SPARK GAP BASE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1