
Can't tell. They fit my 2007 Jeep Wrangler with a 3.8L V6 engine and ignite the air/fuel mixture as expected. The price was right and hopefully I won't mess with them again in 50,000 miles or so.

2007-2017 Jeep Wrangler JKU 4 Door Sunshade Mesh Top Cover - Durable UV Protection With US Flag Design - Voodonala
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Gooacc 50Pcs Hood Insulation Retainer Clips - Perfect Replacement For Grand Cherokee, Dodge Ram, Chrysler PT Cruiser, Plymouth Laser, Neon - OEM Part Number: 4878883AA
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Upgrade Your Mazda MX-5 Miata With CravenSpeed'S USA-Made Door Bushings
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Upgrade Your Driving Experience With Lunsom'S Automatic Shift Knob: High-Quality Metal Car Shifting With Push Button & Long Stick Gear Head In Black
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