Low Resistance Spark Plugs

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FytKid

Junior Member
Joined
May 7, 2025
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Location
Houston, TX
Ram Year
2005
Engine
5.7 hemi
I'm trying to hunt down low resistance spark plugs that are 500 ohm rather than the oem 5k ohm. I would even like to find zero resistance spark plugs. The problem I'm having is that when I look or search, I only get results for 5k ohm coils. I want to find the same size spark plug at lower resistance, but I don't know of an easy way to hunt them down. Isn't there a spark plug finder by specs? Reach length, thread type, taper or no taper, resistance etc...?
 

Wild one

Senior Member
Joined
Jan 17, 2016
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23,714
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Ram Year
14 Sport
Engine
5.7
I'm trying to hunt down low resistance spark plugs that are 500 ohm rather than the oem 5k ohm. I would even like to find zero resistance spark plugs. The problem I'm having is that when I look or search, I only get results for 5k ohm coils. I want to find the same size spark plug at lower resistance, but I don't know of an easy way to hunt them down. Isn't there a spark plug finder by specs? Reach length, thread type, taper or no taper, resistance etc...?
Hard to find non resistor plugs anymore.Try reseaching non resistor or low resistance racing plugs,you might find something in the racing world,but even that might be a stretch now-a-days
 

RamDiver

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Jan 23, 2022
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Location
Marlborough, Ontario Canada
Ram Year
2021 DS
Engine
Hemi 5.7
I'm trying to hunt down low resistance spark plugs that are 500 ohm rather than the oem 5k ohm. I would even like to find zero resistance spark plugs. The problem I'm having is that when I look or search, I only get results for 5k ohm coils. I want to find the same size spark plug at lower resistance, but I don't know of an easy way to hunt them down. Isn't there a spark plug finder by specs? Reach length, thread type, taper or no taper, resistance etc...?

Are you having ideas about installing non-resistive plugs into your Ram truck?

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