Genuine Welch Plug - 10 Pack - Walbro SKU: 88-54-8 Please log in to see price or purchase this item DetailsFits WA Series carburettors. 5/16” diameter.Details5/16" DiameterDetailsWALBRO 88-54, 88-28, 88-171 TECUMSEH 730746Cross ReferenceCAS459322