Ngk Racing Plug # 5962 R6061-10

Ngk Racing Plug # 4074 R6061-9Spark Plug - NGK Racing - 14 mm Thread - 0.749 in Reach - Gasket Seat - Stock Number 4074 - Non-Resistor - Each

Ngk Ngk V-Power Racing Plug 6702 R5674-10Spark Plug - NGK Racing - 14 mm Thread - 11 mm Reach - Tapered Seat - Stock Number 6702 - Non-Resistor - Each

Ngk Ngk V-Power Racing Plug 4050 R5673-10Spark Plug - NGK Racing - 14 mm Thread - 11 mm Reach - Tapered Seat - Stock Number 4050 - Non-Resistor - Each

Ngk V-Power Racing Plug 7993 R5724-10Spark Plug - NGK Racing - 14 mm Thread - 0.708 in Reach - Tapered Seat - Stock Number 7993 - Non-Resistor - Each