NGK Spark Plug Stock # 1092 Spark Plug - NGK Standard - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 1092 - Resistor - Each

NGK Spark Plug Stock # 7773 Spark Plug - NGK V-Power - 14 mm Thread - 0.460 in Reach - Tapered Seat - Stock Number 7773 - Resistor - Each

NGK Spark Plug Stock # 7100 Spark Plug - NGK G-Power Platinum - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 7100 - Resistor - Each

NGK Spark Plug Stock # 4838 Spark Plug - NGK V-Power - 14 mm Thread - 0.500 in Reach - Gasket Seat - Stock Number 4838 - Non-Resistor - Each

NGK Spark Plug Stock #6637 Spark Plug - Ruthenium HX - 14 mm Thread - 0.750 in Reach - Gasket Seat - Stock Number 6637 - Resistor - Each