Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR3933X   More Details...

Spark Plug - Champion Copper Plus - 14 MM Thread - 0.750 In Reach - Gasket Seat - Resistor - Each
CHAMPION PLUGS  |  Part# CHP-RN12YC   More Details...

Spark Plug - Diamond Fire - 14 MM Thread - 0.500 In Reach - Gasket Seat - Resistor - Each
E3 SPARK PLUGS  |  Part# E3P-E3.32   More Details...

Spark Plug - 14 MM Thread - 0.460 In Reach - Tapered Seat - Resistor - Each
AUTOLITE  |  Part# AUT-24   More Details...

Spark Plug - Champion Copper Plus Small - 14 MM Thread - 0.375 In Reach - Gasket Seat - Each
CHAMPION PLUGS  |  Part# CHP-J4C   More Details...

Spark Plug - Racing - 14 MM Thread - 0.460 In Reach - Tapered Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR135   More Details...

Spark Plug - Diamond Fire - 14 MM Thread - 0.375 In Reach - Gasket Seat - Resistor - Each
E3 SPARK PLUGS  |  Part# E3P-E3.52   More Details...

Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR51   More Details...

Spark Plug - Diamond Fire - 14 MM Thread - 1 In Reach - Tapered Seat - Resistor - Each
E3 SPARK PLUGS  |  Part# E3P-E3.66   More Details...

Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR2592   More Details...