Spark plug cross reference from David Olesen

THREAD

SINO
(TORCH)		 BOSCH ND CHAMPION NGK AUTOLITE
SIZE REACH
14mm

12.7mm 1/2"

E5C  E6C  E7C  E5T  E6TC  E7TC   E7RTC W8AC  W7AC  W4AC  W8BC  W7BC  W6BC   WR6BC W16FS-U W20FS-U
W22FS-U W16FP-U
W20FP-U W22FP-U
W22FPR-U 		L9G   L7   L5   L95YC    L92YC  L87YC  L82YC RL82YC B5HS  B6HS B7HS  BP4HS  BP5HS  BP6HS   BP7HS  BPR7HS 425
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