Lincoln Service Parts 2 › Lincoln Electric 9SS31228-501 VARIABLE SPEED STARTER 5HP S31228-501 Lincoln Electric 9SS31228-501 VARIABLE SPEED STARTER 5HP S31228-501 Sale Price: $1,841.85 Original Price: $2,118.13 VARIABLE SPEED STARTER 5HP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! VARIABLE SPEED STARTER 5HP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1