Rotary Corp brand aftermarket product. AUTOLITE 456, BOSCH W9EO, NGK B4LM, ND W14LM-U
Fits Tecumseh 2-Cycle Vertical AV520, AV600, TVS600, TC200, TC300, TVS840, TVXL840 H50, H60, H70, HM70, H80, HM80, HM85, HM90 HS40, HS50 TVM195, TVM220 AUTOLITE 456 BOSCH W9EO CHAMPION J17LM NGK B4LM NIPPONDENSO W14LM-U