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Bosch HGR9DQP Spark Plug Pack Review

6

·

Average

Revainrating 4 out of 5  
Rating 
3.8
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of Bosch HGR9DQP Spark Plug Pack

Revolutionary surface air gap firing technology featuring multiple spark paths. More pure platinum vs. Bosch Platinum. Four ground electrodes. Electrode gap is factory set. Provides ease of installation - never requires adjustment.

Reviews

Global ratings 6
  • 5
    3
  • 4
    1
  • 3
    1
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

You're worth it! - Spark plugs and wires

Used +4 on my 2004 Dodge Ram 5.7 about 9 years ago. The mileage at that time was 60,000 km. Now that they've clocked up 221,000 miles, they're still going strong. As long as Bosch keeps making them I will never use any other forks.

Pros
  • Good thing
Cons
  • Too long to wait

Revainrating 4 out of 5

Good product, best under spark plugs and wires

I was hoping to use them on my 2005 Grand, I received them about 2 days after ordering and opted not for same day delivery. to say that they have had a good product for a week now. They increased my power by at least 15 hp. Good product, no complaints so far.

Pros
  • Satisfied so far
Cons
  • I will write later

Revainrating 3 out of 5

Don't waste your time and money

Had to replace them just two months after installation. The store told me I had a misfire. Today I removed the spark plugs and replaced them with iridium plugs. My car runs much smoother now. I checked these connectors and all the tips were reversed. Not the best fork for Bosch and overpriced!

Pros
  • Nice
Cons
  • Good but not great

Revainrating 5 out of 5

Spark Plugs To Fit Spark Plugs

Looking at the spark plugs live much better than the picture these spark plugs look so nice and I can see why they will definitely improve your performance. I will come back and write another review after I get it along with my new injectors, this is going to be great, I can't wait to work hard on a 6 cylinder front wheel drive buick that's going to be one hell of a ass, Oh oh oh

Pros
  • Durable Finish
Cons
  • Was Damaged

Revainrating 5 out of 5

Beautiful and inexpensive. Now the engine runs a little better.

I installed them on my 2005 Ford Escape XLS 2.3 4 cylinder. I paired these spark plugs with a heavy duty replacement K&N 33-2187 air filter. While I didn't notice a noticeable increase in fuel economy per gallon, the ride was a little smoother and the engine was a little more powerful and a little more responsive. I personally recommend them. Make sure they are compatible with your specific vehicle!

Pros
  • New
Cons
  • Slightly torn

Revainrating 1 out of 5

The end nut is loose.

Mazda 3 2005 2.3L. After driving less than 10,000 km after installation, misfires began. I checked the candles and found that 1 candle was completely out of order. The terminal nut has been completely cut away from the rest of the connector. He unplugged it and saw that all the grounding electrodes were burned out. I've never had this problem before, so I decided to check other plugs. The clamping nut came loose on 1 other fork, but otherwise everything was fine. The other 2 plugs were fine. In

Pros
  • Positive only
Cons
  • Fits