APDTY 53113 Spark Plug Non-Fouler Set (18mm Tapered Seat)
APDTY 53113 is an 18mm tapered-seat spark plug non-fouler set of two. Confirm thread and seat type before ordering.
APDTY 53110 Spark Plug Non-Fouler Set (18mm Gasket Seat)
APDTY 53110 is an 18mm gasket-seat spark plug non-fouler set (2 foulers, 2 gaskets). Confirm thread and seat type before ordering.