Ngk Ngk Spark Plug Stock # 2741 R6252K-105

Ngk Ngk Spark Plug Stock #3857 R6725-105Spark Plug - NGK Racing - 14 mm Thread - 21.5 mm Reach - Gasket Seat - Stock Number 3857 - Resistor - Each

Ngk Ngk Spark Plug Stock # 1049 B8EfsSpark Plug - NGK Standard - 14 mm Thread - 0.708 in Reach - Tapered Seat - Stock Number 1049 - Non-Resistor - Each

Ngk Ngk Spark Plug Stock # 3691 Tr8IxSpark Plug - NGK Iridium IX - 14 mm Thread - 0.708 in Reach - Tapered Seat - Stock Number 3691 - Resistor - Each

Ngk Ngk Spark Plug Stock # 7554 Znar7AixSpark Plug - NGK Iridium IX - 12 mm Thread - 26.5 mm Reach - Tapered Seat - Stock Number 7554 - Resistor - Each

Ngk Ngk Spark Plug Stock # 5123 Dr8HsSpark Plug - NGK Standard - 12 mm Thread - 0.500 in Reach - Gasket Seat - Stock Number 5123 - Resistor - Each