Ngk Racing Plug # 4074 R6061-9

Ngk Racing Plug # 5962 R6061-10Spark Plug - NGK Racing - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 5962 - Non-Resistor - Each

Ngk Ngk V-Power Racing Plug 6468 R5674-9Spark Plug - NGK Racing - 14 mm Thread - 11 mm Reach - Tapered Seat - Stock Number 6468 - Non-Resistor - Each

Ngk Ngk V-Power Racing Plug 3442 R5673-9Spark Plug - NGK Racing - 14 mm Thread - 11 mm Reach - Tapered Seat - Stock Number 3442 - Non-Resistor - Each

Ngk Ngk V-Power Racing Plug 7891 R5724-9Spark Plug - NGK Racing - 14 mm Thread - 0.708 in Reach - Tapered Seat - Stock Number 7891 - Non-Resistor - Each