Lincoln Service Parts 2 › Lincoln Electric 9SS28906 MAGNUM PRO 550 ASSEMBLY S28906 Lincoln Electric 9SS28906 MAGNUM PRO 550 ASSEMBLY S28906 Sale Price: $374.59 Original Price: $430.78 MAGNUM PRO 550 ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! MAGNUM PRO 550 ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1