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MSD Iridium Tip Spark Plug 3720

MSD Iridium Tip Spark Plug 3720
MSD Iridium Tip Spark Plug 3720
$13.99 ea
NEWOUT OF STOCK
Model: 4017178
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
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

Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you  need to meet your performance goals. We continue to innovate and invent components and technology that deliver  performance and reliability with products that are easy to use and install. 

Over the course of 40-plus years, MSD Performance has been driving the development of innovative components  that helped shape the way our cars race and perform. From super speedways to road courses, land speed racing to  top fuel dragsters, and of course your traditional hot rod, MSD has provided the components to fire nearly anything in  motorsports.

MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street!

Early on, MSD focused squarely on ignition systems with revolutionary products like the multiple sparking CD ignition, timing and rev controls, billet aluminum distributors and the Pro-Mag, an incredible breakthrough in power  and endurance. 

Today MSD is developing electronics for your entire powertrain. The Atomic EFI systems for the LS engine platform and throttle body are now complemented with a transmission controller. Our DynaForce Starters and Alternators  ensure that your engine cranks over to fire up and the Alternators keep it charged. MSD is poised to deliver components that work and communicate together to provide performance and value.

Downloads:

Download Name File Size
9730_spark_plug_apple_guide_book.pdf6.25MB
FRM322492_SparkPlug_4Page.pdf7.6MB
FRM32375_SparkPlug_TriFold.pdf4.39MB

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 Custom 1983 2.5L / 151 / L4 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark Limited 1983 2.5L / 151 / L4 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1967 6.6L / 400 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1968 6.6L / 400 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1969 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1970 7.5L / 455 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1971 7.5L / 455 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1972 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1975 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1976 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1977 4.9L / 301 / V8
5.7L / 350 / V8
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1978 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1979 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1980 2.5L / 151 / L4 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1981 2.5L / 151 / L4 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Skylark 1982 2.5L / 151 / L4 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Special 1968 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Special 1969 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Sportwagon 1968 6.6L / 400 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Sportwagon 1969 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Sportwagon 1970 7.5L / 455 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Sportwagon 1971 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Buick Sportwagon 1972 5.7L / 350 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet Chevelle 1971 6.6L / 402 / V8
5.0L / 307 / V8
4.1L / 250 / L6
6.6L / 400 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Base 1970 7.4L / 454 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Base 1972 5.0L / 307 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Base 1973 5.0L / 307 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Custom 1970 7.4L / 454 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Custom 1972 5.0L / 307 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino Custom 1973 5.0L / 307 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino SS 1970 7.4L / 454 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1971 6.6L / 402 / V8
5.0L / 307 / V8
4.1L / 250 / L6
5.7L / 350 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1976 4.1L / 250 / L6
5.0L / 305 / V8
5.7L / 350 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Available While Supplies Last~Light Duty
Chevrolet El Camino 1977 4.1L / 250 / L6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Available While Supplies Last~Light Duty
Chevrolet El Camino 1978 3.3L / 200 / V6
3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Available While Supplies Last~Light Duty
Chevrolet El Camino 1979 3.3L / 200 / V6
3.8L / 231 / V6
4.4L / 267 / V8
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Available While Supplies Last~Light Duty
Chevrolet El Camino 1980 3.8L / 231 / V6
4.4L / 267 / V8
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1981 3.8L / 231 / V6
4.4L / 267 / V8
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1982 3.8L / 231 / V6
4.4L / 267 / V8
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1983 3.8L / 231 / V6
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1984 3.8L / 231 / V6
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1985 4.3L / 262 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1986 5.0L / 305 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Chevrolet El Camino 1987 4.3L / 262 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass Colonnade S 1976 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass Colonnade S 1977 3.8L / 231 / V6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass Colonnade 1977 3.8L / 231 / V6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass S 1976 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass S 1977 3.8L / 231 / V6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1970 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1971 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1978 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1979 3.8L / 231 / V6
5.7L / 350 / V8
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1980 3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1981 4.4L / 267 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1985 5.0L / 305 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1986 5.0L / 305 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile Cutlass 1987 5.0L / 305 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile F85 1970 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Oldsmobile F85 1971 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac GTO 1972 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac GTO 1973 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1972 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1973 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1974 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1975 7.5L / 455 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1976 7.5L / 455 / V8
5.7L / 350 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1977 5.7L / 350 / V8
6.6L / 403 / V8
4.9L / 301 / V8
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1978 4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1979 4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1980 4.9L / 301 / V8
4.3L / 265 / V8
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1981 4.4L / 267 / V8
4.3L / 265 / V8
3.8L / 231 / V6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1982 4.4L / 267 / V8
4.1L / 252 / V6
3.8L / 231 / V6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1983 3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1984 3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1985 3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1986 4.3L / 262 / V6
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Grand Prix 1987 4.3L / 262 / V6
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans Base 1975 5.7L / 350 / V8
4.1L / 250 / L6
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans Safari 1975 6.6L / 400 / V8 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans Sport 1975 5.7L / 350 / V8
4.1L / 250 / L6
6.6L / 400 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1970 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1971 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1972 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1973 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1974 7.5L / 455 / V8
6.6L / 400 / V8
5.7L / 350 / V8
4.1L / 250 / L6		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
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 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
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 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1978 3.3L / 200 / V6
3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1979 3.3L / 200 / V6
4.4L / 267 / V8
4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1980 4.4L / 267 / V8
4.9L / 301 / V8
4.3L / 265 / V8
3.8L / 231 / V6
3.8L / 229 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac LeMans 1981 3.8L / 229 / V6
4.4L / 267 / V8
4.9L / 301 / V8
4.3L / 265 / V8
3.8L / 231 / V6
5.0L / 305 / V8		 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last
Pontiac Tempest Base 1970 4.1L / 250 / L6 Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap
Available While Supplies Last

Specifications:

Emission Code 2
Heat Range 4
Hex Size 0.625 in.
Length Standard
Package Quantity 1
Part Type Spark Plug
Plug Style Code 6IR4Y
Projected Tip Yes
Quantity 1
Reach 0.4375 in.
Resistor Yes
Seat Type Tapered
Style Iridium
Thread Size 14mm
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm

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MSD Iridium Tip Spark Plug 3720:
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