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MSD®
37344 Iridium Series Spark Plug, Set of 4

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$16.99
$36.37Save: $19.38(53%)
Manufacturer #37344
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Spark Plug
Brand:
MSD
Notes:
13/16 in. hex size; Non-projected insulator type; Gasket seat style; Iridium power electrode configuration
Series:
Iridium Series
Spark Plug Code:
11IR6
Electrode Tip Material:
Iridium Electrode Tip
Quantity Sold:
Set of 4
Warranty:
1-year MSD limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material:
Copper Electrode Core
Heat Range:
6
Product Fit:
Direct Fit
Reach:
19 mm Reach
Recommended Use:
Performance
Thread Size:
14 mm thread size

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1955-1956 Rolls Royce Silver Cloud
Base
6 Cyl 4.9L
-
1956-1958 MG MGA
Base
4 Cyl 1.5L
-
1956-1960 Austin Healey 100-6
Base
6 Cyl 2.6L
-
1957-1958 MG ZB
Base
4 Cyl 1.5L
-
1960-1961 MG MGA
Twin Cam
4 Cyl 1.6L
-
Page 1 of 17 | Showing 1 - 5 of 85 results

Product Information

MSD – IRIDIUM PERFORMANCE SPARK PLUGS

These MSD performance spark plugs are made from extra tough and highly conductive Iridium along with a copper core and special ceramic casing to produce a hot spark that also stays cool to avoid detonation. They’re designed specifically to work with high output ignition systems such MSD’s and you can find them on the world’s fastest vehicles. From ignitions to distributors, starters to coils, from spark plugs to plug wires, there’s an MSD product to help you get the most out of your engine.

  • Used by top fuel drag cars, off-roaders and stock cars
  • Maximizes the power of high output ignitions
  • Iridium high-conductivity produces hot ignition spark
  • Center ground strap contains Yttrium for its high heat resistance
  • Spark isolation is improved thanks to high dielectric-strength ceramics
  • Heat-transferring copper core stays cooler to last longer
  • Machined electrodes for better flame exposure, improved combustion
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Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
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