Iridium Spark Plug Heat Range: 5

Name: Iridium Spark Plug Heat Range: 5
Brand: MSD IGNITION
SKU: 121-3739
Price: 8.95 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

13/16" Hex Gasket Seat

.375 Reach

Heat Range: 5
Projected Tip
1/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 Height0.89

Package Width1.03

Package Length3.5

Weight0.11 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number3739

Package Qty1

Package TypeEA

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