Spark Plug Set for Oliver HG's, OC-3's, OC-4's with Hercules IXB model-WDX2302 80 (Rowcrop (SN: 110717 -

80 (Rowcrop (SN: 110717 - 111219 & SN: 113078 & up))

25''5/8''-18 AND 7/8''-18 THREADS WITH KEY ON ONE END

TO35 (Gas) F40 MH33

The shaft controls cleaning fan speed adjustment and is a direct replacement for OEM part number 142848A1

Anti-skid surface on top and bottom

Spark Plug Set for Oliver HG's, OC-3's, OC-4's with Hercules IXB model-WDX2302 80 (Rowcrop (SN: 110717 -Aftermarket Set of Four New Spark Plugs for Oliver: HG's (Feb. 1950 onwards), all OC 3's and early four cylinder OC 4's running the four cylinder Hercules IXB engines. Tech Info: May be an equivalent make model. Usually Fits Delco, Autolite or Fits Champion. 14mm thread using 13 16th wrench.