Reviews of NGK parts For Business

I've had perfectly fine luck with aftermarket coils, 4 years 2 cars no faults. I'm running factory RS7 plugs, I forget if they were NGK or Denso, but they are 1 heat range colder. Working fine with stage 2.

NGK. Coils aren’t something worth saving a couple bucks over picking a worse part

Ngk has been much better in my experience

I've had success with NGK coils via Rock Auto on multiple vehicles.

I like NGK’s. No longer have my E28 but in my 944 i still run NGK’s.

I suggest buying a known high quality replacement, not being picky about the exact spec, and seeing if that makes a difference. At under $5 it's a minimal cost and effort. Based on the what this engine was likely copied from, I would pick a NGK BPR4ES or BPR5ES from a vendor that doesn't have a reputation for NGK counterfeits.

I removed the Champion plug and replaced it with an NGK and on the first pull it ran.

I recently put in NGK LKAR7BIX-11S (93501) and some cheap amazon coils. A coil failed and I just replaced it all to be sure.

Put in NGK ILKAR7B11 (4912) around 186k miles. I've burned so much oil and did a piston soak at 205k~. I scrubbed the tips with a wire brush but it didn't do much. Lots of carbon. I really don't notice a difference.

Never had good runs with ngk

Yep. Ordered some NGK iridium plugs on Amazon, 2600 miles later the car was misfiring. The gap was toast. Counterfeit for sure.