Spark Plug

NGK

5000 Ohms Resistance, 50.5 mm Insulator Height, 5/8 in. Hex Size, (1) Standard Ground Electrode, Nickel Core Ground Electrode Material, Standard Core Design, Flat Seat, Non-Removable Nut Terminal Type

Platinum Electrode Tip

Sold Individually

60-day NGK limited warranty

Fuel Saver

Spark Plug

DENSO

(6) Spark Plug

Iridium Electrode Tip

Set of 6

1-year or 12,000-mile Denso limited warranty

Fuel Saver

Spark Plug

A-Premium

Standard Ground Configuration, 50.5 mm. Insulator Height, 5000 Ohms Resistance, Flat Seat Type

Iridium

Set of 4

2-year A-Premium Warranty

Summer Special

Spark Plug

A-Premium

Standard Ground Configuration, 50.5 mm. Insulator Height, 5000 Ohms Resistance, Flat Seat Type

Iridium

Set of 6

2-year A-Premium Warranty

Summer Special

Spark Plug

BOSCH

1.25 mm Thread Pitch, 14 mm Hex Size, Gasket Seat Type, Solid Terminal Type, 0.6 mm Center Electrode Size, Fine Wire Type, Projected, (1) Standard, With Resistor

(4) Spark Plug

Iridium Electrode Tip

Set of 4

1-year Bosch limited warranty