Champion Spark Plug RF-14Y 8 PLUGS

Description:

🔧 Part Overview

• Part Number: Champion RF-14Y

• Type: Resistor spark plug

• Thread Size: 18mm x 1.5mm

• Seat Type: Tapered

• Reach: Approx. 0.429"

• Hex Size: 13/16"

• Terminal: Fixed

• Electrode Material: Copper core with nickel alloy ground electrode

• Country of Origin: Typically marked “Made in USA”

🚗 Specific Applications

The RF-14Y plug was commonly used in:

• 1958–1970 Ford, Lincoln, and Mercury V8 engines

• Edsel V8 models

• Thunderbird and Galaxie performance builds

• Vintage industrial engines and agricultural powerplants

• Classic hot rods using early Ford heads with 18mm tapered seats