Description

12mm- 1.0625 in Reach – Tapered Seat -4 PackMSD’s spark plugs are engineered to improve the efficiency of the combustion process to create the most power possible combined with increased durability. The center tip of the plug is made from iridium to promote the best spark and increase resilience. A proprietary ceramic material enhances the dielectric strength of the plug housing forcing the spark, even under extreme cylinder pressures, to jump across the plug gap to the ground electrode. This electrode is machined to expose more spark to the incoming gases to promote the most effective combustion event possible.Lower voltage Requirements for longer coil life

Center Electrode Design: Fine Wire

Center Electrode Tip Material: Iridium

Ground Electrode Tip Material: Nickel

Heat Range: 7

Hex Size: 9/16″

Length: Standard

Plug Style Code: 4IR7Y

Projected Tip: Yes

Quantity: 4

Reach: 1.0625 Inch

Resistor Type: Yes

Resistor: Yes

Seat Type: Tapered

Style: Iridium

Thread Size: 12 MM

Washer(s) Included: Yes