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For 2021+ F150 5.0L Coyote with Variable Displacement Colder heat range (HR8) for supercharged applications sold in set of (8) 12mm threads  .032″ gap recommended for supercharged applications DOES NOT FIT MUSTANG COYOTE ENGINEÂ
Are you plagued by misfires, hesitation, rough idle, poor fuel mileage? Spark plugs are usually the overlooked culprit. Switch to Motorcraft iridium spark plugs and notice a difference in power and fuel economy, along with a smooth, quiet idle. Iridium is six times harder, eight times stronger, and has a melting point much higher than…
Thread Diameter 12mm
Thread Reach 27mm-1.06″
Hexagon 14mm-9/16″
Seat Type Tapered
Design Silver Racing
Resistor Yes
Projected No
Heat Range  –  10
Thread Diameter 12mm
Thread Reach 27mm-1.06″
Hexagon 14mm-9/16″
Seat Type Tapered
Design Silver Racing
Resistor Yes
Projected No
Heat Range  –  10
SCT 7015 X4 Flash Device For Ford Applications 1 ×Subtotal: $335.20