new spark plug - Instant Improvement for Generac GP6700E

Nice, which plug does it take? Where did you buy from?

I just did a bit of a deep dive on some NGK in the last two days (thanks forum) and found out that they seem to be changing their number system. I found approx 35 part numbers that can fit a typical BKR5ES (BCPR5ES) application and was able to whittle that down to some useful information.

Most of the iridium plugs have a standard ground electrode (steel) and I think all the ruthenium were dual (platinum ground). To me the best deal is absolutely the G-Power platinum (standard ground) as all the plugs with platinum ground, regardless of center tip, are double or triple the money. I have no issue paying 50% more for platinum but it would make sense that adding another platinum tip (Laser plug) would cost the same increase, not 100% more of a whole single platinum plug (G-Power).

For waste-spark ignition systems, dual-tips are definitely the way to go but the price increase doesn't add up. If you're OK with a 50k mile plug then a single tip is fine and I don't see the value in iridium or ruthenium over platinum.
Honestly man, I’m not 100% sure of the part number as I ordered a maintenance kit online that came with 2 quarts of Kawasaki oil and oil filter and air filter with a fuel filter and two plugs. I do know that the plugs that came with the kit were NGK’s. I’ll have to check tomorrow morning when I get home from work and give you the exact part number.

Edit: NGK has an app that you input the information on for your equipment and it will give you the exact compatible part numbers, which is where I found the plug number for the plug for my Generac pictured in the opening post. The four pack that I ordered specifically for the generator was bought on eBay.
 
Nice, which plug does it take? Where did you buy from?

I just did a bit of a deep dive on some NGK in the last two days (thanks forum) and found out that they seem to be changing their number system. I found approx 35 part numbers that can fit a typical BKR5ES (BCPR5ES) application and was able to whittle that down to some useful information.
What are those part numbers and where did you find them at?

The NGK for SKU# BKR5ES plug is Item# 2460. Both of these are NGK catalog numbers. You can find them on the links below and search an NGK plug by either number (SKU# or Item#).
https://www.sparkplugs.com/ngk-2460-bkr5es-nickel-spark-plug

The NGK part number for BCPR5ES plug is 6130.
https://www.sparkplugs.com/ngk-6130-bcpr5es-nickel-spark-plug

Are you looking for their platinum and/or iridium versions?

You can also find the NGK plug for your equipment on this page:
https://www.sparkplugs.com/
 
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What are those part numbers and where did you find them at?

The NGK for SKU# BKR5ES plug is Item# 2460. Both of these are NGK catalog numbers. You can find them on the links below and search an NGK plug by either number (SKU# or Item#).
https://www.sparkplugs.com/ngk-2460-bkr5es-nickel-spark-plug

The NGK part number for BCPR5ES plug is 6130.
https://www.sparkplugs.com/ngk-6130-bcpr5es-nickel-spark-plug

Are you looking for their platinum and/or iridium versions?

You can also find the NGK plug for your equipment on this page:
https://www.sparkplugs.com/
Yes I'm familiar. Using NGKs filtered search I found over 30 NGK part numbers that should be able to replace the BKR / BCPR fitment.

What I found was that all the iridium IX plugs were single-electrode (steel ground), ruthenium HX were the most expensive but were all dual-electrode (platinum ground). I should make a table of them to keep it all straight but I was surprised how many variants there were and maybe 3-5 were discontinued.

I was hoping to find a dual-electrode plug that made sense as an upgrade from the GP but the closest was more than 2x $$$ so I'll stick with the GP for now. Maybe I'll post a thread on Demystifying the Surprising Confusion of NGK Today.
 
I snapped this from a PDF which helps make sense of what I'm talking about. I had always thought the extreme price of the Iridium IX plugs was for a dual-tip design and that's not the case. Definitely not worth it.

NGK fine tip compare.webp
 
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