8x Genuine Motorcraft Platinum Spark Plug SP-546 PZK-14F

Description

Genuine Motorcraft Platinum Spark Plug SP-546 PZK-14F

Details
Part Number: SP-546
Metal Type: Platinum
Center Electrode Core Material: Nickel
Center Electrode Tip Material: Platinum
Drive Size: 14mm
Ground Electrode Tip Material: Nickel
Insulator Material: Standard
Insulator Type: Non-Projected
Manufacturer Heat Range Number: 1
Resistor: Yes
Seat Style: Tapered
Thread Size: M16-1.50 mm

Same part that was installed when the vehicle rolled-off the assembly line
Designed to deliver quick starts, enhanced fuel economy and smooth acceleration with 60,000 to 100,000 mile service interval.
Copper-glass seal bonds insulator, terminal post center electrode together which assures full required voltage at spark gap that protects against misfires.
Nickel plated shell for corrosion resistance and improved appearance.