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⚡ Ignite your ride with NGK’s spark plug precision—because every millisecond counts!
The NGK 4644-4PK Standard Spark Plug pack features a solid copper core for enhanced conductivity, a triple gasket seal to prevent combustion leaks, and corrugated insulator ribs to stop flashover. Designed with a longer alumina silicate insulator nose to reduce fouling and a zinc-dipped shell for corrosion resistance, these spark plugs deliver reliable, durable performance across multiple vehicle types including motorcycles, ATVs, and watercraft.
| ASIN | B007HGC9NQ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #46,424 in Automotive ( See Top 100 in Automotive ) #346 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles |
| Core Material | Iridium |
| Customer Reviews | 4.8 out of 5 stars 568 Reviews |
| Global Trade Identification Number | 00087295046449 |
| Included Components | NGK 4644 |
| Item Type Name | Spark Plugs |
| Item Weight | 0.44 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | 4644-4PK |
| Manufacturer Warranty Description | Manufacturer |
| Model Number | 4644-4PK |
| OEM Equivalent Part Number | 4644-4PK |
| Thread Size | 14mm |
| Top Material Type | Metal, Nickel |
| UPC | 087295046449 |
| Unit Count | 4.0 Count |
| Vehicle Service Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles Vehicle Service Type Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles See more |
C**C
Worth the purchase
Came packaged well, exactly as described and works well.
G**E
NGK = best spark plugs
as always NGK proves to be an amazing company. i wasn't sure what plugs i should run for my new engine build at the power/boost level i plan to be at. a quick email to the folks at NGK and they replied within an hour with recommendations, explanations, part #'s, etc.. i've never had issues with their plugs and their customer service is outstanding. top quality parts from a top quality company.
E**.
Best price for NGK spark plugs
Best prices for these NGK spark plugs. If you have a turbocharged Honda, these are the ones you will need. I usually gap them to .018" but may differ depending on motor and setup.
R**S
Great Quality
Revived the motor on my 1.4 vehicle.
M**I
Good quality
Good quality
W**S
NGK 4644 V-Power Spark Plug
AS ordered and works great
J**B
Don't Buy Plugs With Exotic Materials, Just Get These
These work a lot better than Platinum or Iridium, but they last 1/4th as long. Copper plugs give you more complete combustion, and less chance for knock, given you keep the gap in spec throughout the plug's lifetime.
D**L
Volvo 850R colder plugs
Perfect fit and function, will continue to buy these
M**B
good
seems to be genuine ngk product. work good in my 1.8 turbo audi a4. would buy again
A**R
These are good spark plugs
These worked great on my chip tuned VW 1.8t. Resolved a possible detonation issue caused by my old worn plugs. The copper core seems to have done the trick by effectively transfering heat away from the combustion chamber. Product arrives with each plug individually boxed. Spark plugs were slightly inconsistant when it came to gapping. I also bought a small spark plug gap tool for less than $10 and it worked great to gap the uniformly.
F**Y
Four Stars
nice item
E**M
Parfait
Très bonne performance
R**T
2011-16 Chevy cruze
OEM replacement for 2012 Chevy cruze. Showed up fast, preform as expected. These last about 50000klms before I change them but I'm sure they would be fine for up to 100000.
Trustpilot
3 weeks ago
2 months ago