Harley Davidson oil pump check valve spring 1937-1980 Big twins and early sportster Pn.26363-36. Genuine Harley part NOS. PRICE IS FOR ONE ONLY. ABSOLUTELY NO REFUNDS OR RETURNS ON THIS ITEM MAKE SURE ITS WHAT YOU WANT BEFORE PURCHASING CHECK PART NUMBER. POSTAGE UK MAINLAND ONLY. OTHER ITEMS ADDED REGULARLY. THANKS FOR LOOKING.