Champion Spark Plug RN-14Y6 8 PLUGS

Description:

🔧 Part Overview

• Part Number: Champion RN-14Y6

• Type: Resistor copper spark plug

• Thread Size: 14mm x 1.25mm

• Seat Type: Gasket

• Reach: 19mm (0.75")

• 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 RN-14Y6 plug was commonly used in:

• 1975–1980 Cadillac V8 engines (368, 425, 500 CI)2

• GM small-block and big-block V8s across various platforms

• Ford and Chrysler V8 engines from the 1970s–1990s

• Marine and industrial engines

• Vintage motorcycles and scooters requiring 14mm gasketed plugs