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⚡ Ignite your ride with NGK V-Power – performance you can feel, reliability you can trust!
The NGK Spark Plug LFR6A 6668 pack of 4 features a unique V-cut center electrode that accelerates spark development, enhancing ignitability and reducing quenching. Designed with a 26.5mm reach and 16mm hex size, it fits watercraft models like Yamaha FX, FZR, FZS, VX, VXR, and VXS perfectly. With a precise 0.9mm gap and 5K Ohm resistor, these copper core plugs deliver optimized combustion and reduced electrical interference, backed by a 4.9-star customer rating for dependable performance.
| ASIN | B07PGPVQFL |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #82,106 in Automotive ( See Top 100 in Automotive ) #551 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Core Material | Copper |
| Customer Reviews | 4.9 4.9 out of 5 stars (261) |
| Date First Available | March 6, 2019 |
| Item Weight | 7.7 ounces |
| Item model number | 6668 |
| Manufacturer | NGK |
| Manufacturer Part Number | LFR6A-6668 |
| Model | 4 pack NGK V-Power 6668 Spark Plug |
| Position | Front, Rear |
| Product Dimensions | 3.7 x 0.94 x 3.32 inches |
| Thread Size | M |
| Top Material Type | copper |
| UPC | 087295176016 |
| Vehicle Service Type | Car, Truck |
C**H
Perfect for Yamaha
Perfect replacement for OEM Yamaha. My plugs were long past due for a change. We noticed a major improvement in performance.
E**N
Excellent
Good. Works perfect
B**N
Cheaper than local parts stores
Oem to the ones in my 13' yammy fx cruiser. Cheaper than local and I didn't have to leave the house.
P**E
wave runner spark plugs
Great OEM plugs
M**H
Perfect Replacement
Perfect replacement for the spark plugs on my Yamaha jet boat. Easy to install and saw a slight increase in performance.
D**N
Great price and work well
Bought these to replace the spark plugs in a 2020 Yamaha VX Cruiser HO Waverunner. Pricing was much better than our local parts store, and they were a perfect match.
H**D
Fits 2020 Yamaha FX/HO Cruiser
Perfect fit for my 2020 Yamaha FX/HO Cruiser waverunner. This is the brand I always use.
J**R
Good plugs
Instlled in Yamaha 1.8 liter marine engine
G**M
Fast shipping
Trustpilot
3 weeks ago
1 month ago