MSD Performance 37384 Spark Plug, 15IR4Y, 4-Pack

Iridium Tip Spark Plug; 4 Pack; Plug Type 15IR4Y; [Available While Supplies Last];

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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.

• Proprietary Ceramic Formula
• Unique Insulator Design
• Yttrium Copper Core
• Machined Electrode
• 1mm Iridium Tip
• Outlast Performance Plugs
• Improves Comprehensive Drivability And Economy
• Superior Design

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Application Summary:

Year	Make/Model
1975	Buick Apollo
1954-1958	Buick Century
1975-1977	Buick Century
1959-1965	Buick Electra
1976-1984	Buick Electra
1976-1979	Buick Estate Wagon
1965	Buick Gran Sport
1967	Buick Gran Sport
1959-1963	Buick Invicta
1959-1965	Buick LeSabre
1976-1984	Buick LeSabre
1958	Buick Limited
1975-1977	Buick Regal
1953-1958	Buick Roadmaster
1954	Buick Skylark
1965-1967	Buick Skylark
1975-1977	Buick Skylark
1951-1958	Buick Special
1962-1963	Buick Special
1965-1967	Buick Special
1965-1967	Buick Sportwagon
1951-1958	Buick Super
1963-1965	Buick Wildcat
1967	Cadillac Calais
1967	Cadillac DeVille
1967	Cadillac Eldorado
1979-1980	Cadillac Eldorado
1967	Cadillac Fleetwood
1950-1952	Cadillac Series 60 Fleetwood
1950-1951	Cadillac Series 61
1952	Cadillac Series 62
1950-1952	Cadillac Series 75 Fleetwood
1976-1980	Cadillac Seville
1950-1969	Chevrolet Bel Air
1958-1969	Chevrolet Biscayne
1967-1969	Chevrolet Camaro
1966-1969	Chevrolet Caprice
1964-1968	Chevrolet Chevelle
1963-1968	Chevrolet Chevy II
1968	Chevrolet El Camino
1959-1968	Chevrolet Impala
1968-1969	Chrysler 300
1975-1978	Chrysler Cordoba
1959-1975	Chrysler Imperial
1959-1972	Chrysler New Yorker
1975-1978	Chrysler New Yorker
1959-1960	Chrysler Newport
1963	Chrysler Newport
1967-1978	Chrysler Newport
1957-1960	Chrysler Saratoga
1957-1961	Chrysler Town & Country
1963-1977	Chrysler Town & Country
1957-1961	Chrysler Windsor
1963-1964	Dodge 330
1963-1964	Dodge 440
1962-1965	Dodge 880
1970-1971	Dodge Challenger
1967-1976	Dodge Charger
1955-1959	Dodge Coronet
1965-1976	Dodge Coronet
1955-1961	Dodge Custom
1968-1974	Dodge D100 Pickup
1967	Dodge D100 Series
1968-1974	Dodge D200 Pickup
1967	Dodge D200 Series
1968-1974	Dodge D300 Pickup
1967	Dodge D300 Series
1965-1978	Dodge Monaco
1960-1971	Dodge Polara
1976	Dodge Ramcharger
1975-1977	Dodge Royal Monaco
1968-1974	Dodge W100 Pickup
1968-1971	Dodge W300 Pickup
1967	Dodge W300 Series
1966	Jeep CJ3
1968-1971	Jeep CJ5