Iridium Tip Spark Plug; Single; Plug Type 15IR4; [Available While Supplies Last];
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

Application Summary:

Year Make/Model
1958-1962 American Motors American
1964-1965 American Motors American
1961-1965 American Motors Classic
1961-1962 American Motors Custom
1961-1962 American Motors Deluxe
1965-1966 American Motors Marlin
1959-1960 American Motors Rambler
1959 American Motors Rebel
1961-1962 American Motors Super Six
1996-2006 Audi A4
1954 Mercury Custom
1946-1949 Mercury Mercury
1954 Mercury Monterey
1957 Pontiac Bonneville
1950-1958 Pontiac Catalina
1949-1958 Pontiac Chieftain
1954-1958 Pontiac Star Chief
1958 Pontiac Strato-Chief
1946-1952 Pontiac Streamliner
1957-1958 Pontiac Super Chief
1946-1948 Pontiac Torpedo

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JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

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