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ngk lfr6a 6668 spark plug (pack of 8) for watercraft fx fzr fzs vx vxr vxs | 26.5mm reach, 16mm hex size, 0.9mm gap, 5k ohm resistor logo

NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor Review

3

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🧯 Ignition Parts, 🛠️ Replacement Parts

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img 1 attached to NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor
img 2 attached to NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor
img 3 attached to NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor
img 4 attached to NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor

Details

BrandNGK
Core MaterialNickel
Gap Size0.9 Millimeters
Thread Size14 millimeters
Top Material TypeMetal, Nickel

Description of NGK LFR6A 6668 Spark Plug (Pack of 8) for Watercraft FX FZR FZS VX VXR VXS | 26.5mm Reach, 16mm Hex Size, 0.9mm Gap, 5K Ohm Resistor

NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching. Shell Thread Size: 14mm Thread Pitch: 1.25mm Seat Type: Gasket Resistor Value: 5K Ohm Reach: 26.5mm (1.04") Hex Size: 5/8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: .035" (0.9mm). Center Electrode Material: Nickel Type: V-Cut Size: 2.5mm Projection: Projected Ground Electrode Material: Nickel Type: Standard Quantity: 1. Specifications Warranty: 1 Year Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. Heat Range: 6 Longevity: 30k Miles Resistor: Yes.

Reviews

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

Type of review

Revainrating 5 out of 5

Excellent Spark Plug for Watercraft

Using this product, our team found that ignition response was greatly improved, leading to a more efficient and powerful ride on our automotive watercraft. The NGK Spark Plug Watercraft Resistor helped our engine start quickly and run smoothly, even in rough conditions. The only downside we noticed was that we had to replace the spark plug more frequently than some other options on the market. Overall, we highly recommend this spark plug for anyone in need of a reliable and effective…

Pros
  • Improves engine performance and ignition efficiency in watercraft.
Cons
  • Requires occasional replacement as part of routine maintenance.

Revainrating 5 out of 5

They work as they should

It took quite a while to get them but these spark plugs were not available in my local stores. So far they're working great.

Pros
  • Ignition Parts
Cons
  • Repair

Revainrating 5 out of 5

Cheap ignition parts insurance

I use these spark plugs on my boat every year. Not once did one get stuck or break. The boat is 10 years old and still runs like new.

Pros
  • Automotive
Cons
  • Hard to tell