×

WE ARE CURRENTLY EXPERIENCING DIFFICULTIES WITH OUR PHONE LINES.  PLEASE UTILIZE CHAT OR EMAIL TO CONTACT US UNTIL THIS IS RESOLVED.

877.454.7792 Contact Us Mon-Fri 8a-9p & Sat 10a-3p EST
DRIVEN BY CARE

MSD Iridium Tip Spark Plug 3738

MSD Iridium Tip Spark Plug 3738
MSD Iridium Tip Spark Plug 3738
$10.99 ea
NEWARRIVING SOONEstimated Ship Date 10/07/2021 (If Ordered Today)7 available from HOLLEY PERFORMANCE PRODUCTS as of 09/22/2021
Model: 4017214
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
[More Info]
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 1965 6.6L / 401 / V8
4.9L / 300 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1966 5.6L / 340 / V8
4.9L / 300 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1967 5.6L / 340 / V8
4.9L / 300 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1975 4.3L / 260 / V8
3.8L / 231 / V6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1976 4.3L / 260 / V8
3.8L / 231 / V6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Skylark 1977 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1965 4.9L / 300 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1966 4.9L / 300 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Special 1967 4.9L / 300 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Sportwagon 1965 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Sportwagon 1966 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Buick Sportwagon 1967 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 300 Deluxe 1967 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 300 Deluxe 1968 5.0L / 307 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 300 1967 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 300 1968 5.0L / 307 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Base 1966 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Base 1967 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Base 1968 5.0L / 307 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Concours 1967 4.6L / 283 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Concours 1968 5.0L / 307 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Deluxe 1966 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Deluxe 1967 4.6L / 283 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Malibu 1968 5.0L / 307 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle Nomad 1968 5.0L / 307 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle SS 1966 5.3L / 327 / V8
4.6L / 283 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle SS 1967 4.6L / 283 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle SS 1968 5.0L / 307 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 1964 5.3L / 327 / V8
4.6L / 283 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet Chevelle 1965 5.3L / 327 / V8
4.6L / 283 / V8
5.4L / 327 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet El Camino Base 1968 5.0L / 307 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Chevrolet El Camino Custom 1968 5.0L / 307 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 442 1975 7.5L / 455 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 442 1977 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Base 1968 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Base 1975 7.5L / 455 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Colonnade S 1976 7.5L / 455 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Colonnade S 1977 6.6L / 403 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Colonnade 1977 6.6L / 403 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass S 1968 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass S 1975 7.5L / 455 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass S 1976 7.5L / 455 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass S 1977 6.6L / 403 / V8
5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Vista Cruiser 1976 7.5L / 455 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass Vista Cruiser 1977 6.6L / 403 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1969 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1970 7.5L / 455 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1971 7.5L / 455 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1972 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1973 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1974 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1978 4.3L / 260 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1979 5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1980 5.7L / 350 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile Cutlass 1981 4.4L / 267 / V8
4.3L / 260 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 Base 1966 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 Deluxe 1966 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 Holiday 1966 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1964 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1965 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1967 5.4L / 330 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1968 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1969 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1970 7.5L / 455 / V8
5.7L / 350 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1971 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Oldsmobile F85 1972 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1964 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1965 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1966 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1970 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac GTO 1971 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1964 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1965 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1966 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1967 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1968 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1969 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1970 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1971 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Grand Prix 1977 5.7L / 350 / V8
6.6L / 403 / V8
6.6L / 400 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1964 5.3L / 326 / V8
3.5L / 215 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1965 5.3L / 326 / V8
3.5L / 215 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1966 5.3L / 326 / V8
3.8L / 230 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1967 5.3L / 326 / V8
3.8L / 230 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1968 6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1969 6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1970 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1971 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1976 7.5L / 455 / V8
5.7L / 350 / V8
4.3L / 260 / V8
4.1L / 250 / L6
5.0L / 305 / V8
6.6L / 400 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac LeMans 1977 5.7L / 350 / V8
4.1L / 250 / L6
6.6L / 403 / V8
4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8
6.6L / 400 / V8
Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Safari 1968 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Pontiac Tempest Safari 1969 5.7L / 350 / V8 Single; Plug Type 15IR4Y; [Available While Supplies Last];0.035 in. Plug Gap

Specifications:

Emission Code 2
Heat Range 4
Hex Size 0.1875 in.
Length Standard
Package Quantity 1
Part Type Spark Plug
Plug Style Code 15IR4Y
Projected Tip Yes
Quantity 1
Reach 0.375 in.
Resistor Yes
Seat Type Gasket
Style Iridium
Thread Size 14mm
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

MSD Iridium Tip Spark Plug 3738:
* Your Name:
* Email (This will not be displayed)
Question:
Chevelle Depot 2021