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MSD Iridium Tip Spark Plug 37394

MSD Iridium Tip Spark Plug 37394
MSD Iridium Tip Spark Plug 37394
$41.99 ea
NEWARRIVING SOONEstimated Ship Date 10/07/2021 (If Ordered Today)171 available from HOLLEY PERFORMANCE PRODUCTS as of 09/22/2021
Model: 4017217
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
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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.
Features:
  • Proprietary Ceramic Formula
  • Unique Insulator Design
  • Yttrium Copper Core
  • Machined Electrode
  • 1mm Iridium Tip
  • Outlast Performance Plugs
  • Improves Comprehensive Drivability And Economy
  • Superior Design
Holley Performance Emission Code 2: This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
About MSD Ignition

Your performance electronic source for ignitions, coils, distributors, timing controls, spark plug wires, starters and electronic fuel injection.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Buick Skylark 1964 4.9L / 300 / V8
3.7L / 225 / V6
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1965 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1966 6.6L / 401 / V8
3.7L / 225 / V6
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1967 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1964 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1965 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1966 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1967 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Sportwagon 1964 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 1969 5.0L / 307 / V8
5.7L / 350 / V8
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 1970 5.0L / 307 / V8
5.7L / 350 / V8
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Base 1967 6.6L / 400 / V8
5.4L / 330 / V8
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Base 1968 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Holiday 1967 6.6L / 400 / V8
5.4L / 330 / V8
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1964 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1965 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1966 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 Base 1966 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 Holiday 1966 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1964 3.7L / 225 / V6 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1965 6.6L / 400 / V8
3.7L / 225 / V6
4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1968 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1969 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1968 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1969 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Base 1968 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Base 1969 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Custom 1968 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Custom 1969 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Safari 1968 6.6L / 400 / V8 4 Pack; Plug Type 15IR5Y; [Available While Supplies Last];0.035 in. Plug Gap

Specifications:

Emission Code 2
Heat Range 5
Hex Size 0.1875 in.
Length Standard
Package Quantity 4
Part Type Spark Plug
Plug Style Code 15IR5Y
Projected Tip Yes
Quantity 4
Reach 0.375 in.
Resistor Yes
Seat Type Gasket
Style Iridium
Thread Size 14mm
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm

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