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5/8" Hex Tapered Seat.691 Reach
- Iridium Spark Plug
- Heat Range: 4
- Projected Tip
- 4/pkg
- Proprietary plug design inside and out
- Designed for use on high performance vehicles that utilize high output ignition systems
- Machined electrode increases exposure to the flame to improve combustion
- Yttrium ground electrode reduces the chance of pre-ignition
- Iridium tip improves cold starts
- All spark plugs tested prior to packaging and shipping
Delivers Twice the Power
MSD Iridium Spark Plugs are designed with a premium yttrium/copper core for maximum durability which represents ultimate spark plug performance and technology. Iridium is six times harder than platinum, which reduces the voltage requirement for a spark.
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Features:
- Optimized for High Power Engines
- Iridium Strength
- Yttrium/Copper Core
Part TypeSpark Plug
Product LineMSD Iridium Spark Plugs
BrandMSD IGNITION
Package Height1.1
Package Width3.5
Package Length3.9
Weight0.43 PG
Part CategoryPerformance Parts
Electrode Tip MaterialIridium
Insulator TypeProjected
Ground Strap QuantityOne
Wrench Diameter (In.)5/8
Spark Plug Reach0.691 in (17.6 mm)
QuantitySold as a set of 4
Spark Plug Thread Size (Mm)14
Shorty Spark PlugNo
Spark Plug Seat StyleTapered
Electrode Core MaterialIridium
Part FitmentSemi Universal
ResistorYes
Vendor Part Number37114
Package Qty1
Package TypeEA
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