Lincoln Service Parts 2 › Lincoln Electric 9SS37860-63 PROPORTIONAL VALVE (Flexcut 45) S37860-63 Lincoln Electric 9SS37860-63 PROPORTIONAL VALVE (Flexcut 45) S37860-63 Sale Price: $531.92 Original Price: $611.71 PROPORTIONAL VALVE (Flexcut 45) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PROPORTIONAL VALVE (Flexcut 45) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1