ngk Bm6a its the same plug
autolite 2974 or xst2974 (irridium) champion rcj7y, cj7y ngk bpmr7a
Champion CJ7Y Champion RCJ6Y Autolite 2974 Bosch WSR6F Denso W22MP-U NGK BPMR7A
Rj19lm
ngk Bm6a its the same plug
bp4 ngk
on the back of the plug package it has : replaces CJ8, RCJ8, J19LM & RJ19LM. hope this helps.
NGK cross reference for this plug is CR8HSA
Possible spark plugs for torch F6TC:Autolite 63Denso IW20Denso VW20Denso W20EX-UNGK BP6ES
Champion stock # 71
Yes
RN9YC or BPR6ES NGK - BPR6ES or DENSO - W16EXR or Champion - RN11YC or Bosch - WR6DC The RN11YC burns hotter and prevents carbon buildup better than the RN9YC.