MOTORCRAFT PLUG SP450 is now SP450A
Brand: Motorcraft

Manufacturer's Part Number: SP450 SP450A ASF42CA MM26 AUTOLITE

Part Type: Spark Plugs

Product Line: Motorcraft Copper Core Spark Plugs



Shorty Spark Plug: No

Resistor: Yes

Electrode Tip Material: Copper

Electrode Core Material: Copper

Center Electrode Type: Projected

Spark Plug Thread Size: 14mm

Spark Plug Reach: 0.460 in.

Spark Plug Seat Style: Tapered

Wrench Diameter: 5/8 in.

Ground Strap Quantity: One

Quantity: Sold individually.



Motorcraft copper core spark plugs are the only replacements designed, engineered, and recommended by Ford Motor Company. The quality, performance, and reliability of the Motorcraft name are available in spark plugs for a broad range of applications, including domestic and imported cars and all size trucks. Whatever the application, Motorcraft offers copper core plugs that fit just like your factory originals.