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9/16" Hex Tapered Seat13/16" Reach Ford Modular
- Iridium Spark Plug
- Heat Range: 6
- Non-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
Part TypeSpark Plug
BrandMSD IGNITION
Package Height1.0
Package Width4.0
Package Length4.0
Weight0.47 PG
Part CategoryPerformance Parts
Electrode Tip MaterialIridium
Insulator TypeProjected
Ground Strap QuantityOne
Wrench Diameter (In.)9/16
Spark Plug Reach0.813 in (20.7 mm)
QuantitySold as a set of 4
Spark Plug Thread Size (Mm)16
Shorty Spark PlugNo
Spark Plug Seat StyleTapered
Electrode Core MaterialIridium
Part FitmentSemi Universal
ResistorYes
Vendor Part Number37164
Package Qty1
Package TypeEA
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