MSD - 37174
Iridium Tip Spark Plug; 4 Pack; Plug Type 4IR7Y; [Available While Supplies Last];
MSD iridium spark plugs will fire up your engine for optimum performance. These plugs have been engineered from the inside out for efficient combustion to create the most power possible for your setup. MSD's proprietary design features center tips made from iridium--a super hard material that promotes the best spark as well as increased resilience. They also feature copper center cores, special ceramic material to enhance the dielectric strength of the plug housing, and machine-ground straps enhanced with Yttrium to handle the heat of your high horsepower ignition. On the street, at the track, or up and over the trails, MSD iridium spark plugs will outperform and outlive the competition.
- All spark plugs tested prior to packaging and shipping
- Designed for use on high performance vehicles that utilize high output ignition systems
- MSD’s proprietary ceramic formula provides the highest dielectric strength
- Lower voltage Requirements for longer coil life
- Unique insulator design improves spark isolation
- Yttrium ground electrode reduces the chance of pre-ignition
- Proprietary plug design inside and out
- Iridium tip improves cold starts
- Machined electrode increases exposure to the flame to improve combustion
Brand: MSD
Clearance Category: Ignition
Discount: $$
Discount Percentage: Over 75%
Emission Code: 2
Heat Range: 7
Hex Size: 9/16
Length: Standard
Plug Style Code: 4IR7Y
Product Type: Spark Plug
Projected Tip: Yes
Quantity: 4
Reach: 1.0625
Resistor: Yes
Seat Type: Tapered
Style: Iridium
Thread Size: 12mm
Warning: California Proposition 65
Warranty: Limited 1 Year Warranty
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