Description
Spark Plug - Racing - 14 mm Thread - 0.750 in Reach - Gasket Seat - Non-Resistor - Each small 5/8 hex with same heat range is AR3933(washer style for alum. head, usually for alcohol engine)
Spark Plug - Racing - 14 mm Thread - 0.750 in Reach - Gasket Seat - Non-Resistor - Each small 5/8 hex with same heat range is AR3933(washer style for alum. head, usually for alcohol engine)