1A Product Review Spark Plugs Honda Civic

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Here's the old, original plug that came out of the engine, and new plugs from 1A Auto. We carry some different name brands. We have generic. This is actually an NGK example. Obviously, a spark plug is going to be just like the original.

Some background information: your old plugs, they have a tolerance on these Hondas. This is a Honda with a 1.7-liter. The plug can be between 1 and 1.3 millimeters. If your plug is within those specs - right now, I'm at 1.27. This is a spark plug gapping gauge. You probably can't see it, but there are different measurements on the gap gauge.

It's at 1.3, so I'm going to go to my closest one, which is 1.27. It doesn't fit in there, okay, so this plug technically is still within spec and could be used. On that 1.02 on this one, you can see it goes in. It moves around, so it's definitely higher than 1.

When you go to put your new plugs in, and it's just for any spark plug, you want to find the specifications for your vehicle. New plugs in this vehicle should be between 1 and 1.1 millimeters, so I've got 1.02. To gauge a plug, try and force it in there. They really should come gapped, but it looks like this one's just a little bit off.

You use this part here to bend the tab and open it up slightly. Then try to put your gauge in there again. If it starts to go in, you can just kind of work it in until it goes in and out. It takes a little bit of force. Now you could be between 1 and 1.1. That's 1.02, it goes in. At 1.14, it shouldn't go in, and it doesn't.

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