Champion 31 Spark plugs John Deere D GP ½ npt treads

Champion 31 Spark plugs They are the ½ npt treads Used on John Deere D’s up to sn 109944 And John Deere GP’s up to SN 223802 This is for a lot of used untested plugs. Look at the pictures close you getting the plugs pictured as is where is Champion 31 Spark plugsThey are the ½ npt treadsUsed on John Deere D’s up to sn 109944And John Deere GP’s up to SN 223802This is for a lot of used untested plugs.Look at the pictures close you getting the plugs picturedas is where isParts Inquiries and General Questions Welcomed!!Phil Miller Kalona, IA 52247  GENUINE ORIGINAL USED John Deere Two-Cylinder PartsStyled A B G 50 60 70 520 530 620 630 720 730 Open Monday thru Friday 9:00 am to 6:00pm Saturday by appointment only NO SUNDAY CALLS   PLEASE CHECK OUT THE EBAY STORE MILLERTRACTORPARTS.COM ALL INVENTORY IS NOT LISTED ONLINE PLEASE CALL Be sure to add me to your favorites list! Get images thatmake Supersized seem small.THE simple solution for eBay sellers.