Spark Plug - Champion Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
CHAMPION PLUGS  |  Part# CHP-C57CX   More Details...

Spark Plug - Revolution HT - 16 MM Thread - 1 In Reach - Tapered Seat - Resistor - Each
AUTOLITE  |  Part# AUT-HT1   More Details...

Spark Plug - Revolution HT - 16 MM Thread - 1 In Reach - Tapered Seat - Resistor - Each
AUTOLITE  |  Part# AUT-HT0   More Details...

Spark Plug - Racing - 14 MM Thread - 0.708 In Reach - Tapered Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR92   More Details...

Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR53   More Details...

Spark Plug - Racing - 14 MM Thread - 0.750 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR52   More Details...

Spark Plug - Racing - 14 MM Thread - 0.708 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-AR50   More Details...

Spark Plug - 14 MM Thread - 0.460 In Reach - Tapered Seat - Resistor - Each
AUTOLITE  |  Part# AUT-23   More Details...

Spark Plug - Shorty - 14 MM Thread - 0.750 In Reach - Gasket Seat - Resistor - Set Of 4
ACCEL IGNITION  |  Part# ACL-0416S-4   More Details...

Spark Plug - 14 MM Thread - 0.437 In Reach - Gasket Seat - NON-RESISTOR - Each
AUTOLITE  |  Part# AUT-216   More Details...