3922 20.8 X 14 Mm Single Lead Spark Plug

Features Low resistance racing cables improve sparking energy leading to improved engine performance; High temp silicone outer jackets; Solid copper wire strand core and high temp resistor covers provide durable construction; Specifications Center Electrode Tip Material: Nickel; Seat: Gasket; Size: 20.8 x 14 mm; Weight: 0.12 lbs; .