is this a qty. 2 plugs for $10.99 ?

NGK 6578 Spark Plugs (BPR4ES) - Pack of 2

will these plugs fit a fr730v kawasaki engine?????

Yes I used these on my Toro Timecutter mower with the same Kawasaki engine. They work fine.

Will this plug fit my Husqvarna Z254F 54 inch zero turn

Check reference books in auto shop or dept. for specifics accompanied to what your whip manual lists.

Is the spark plug pre-gapped or do I need to do it?

They're gapped at about .032"...my application calls for .030", so I adjusted them.

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NGK 6578 Standard Series Spark Plugs (BPR4ES) - Compatible with Select Argo, Case IH & John Deere Models 2010-2024 (Qty 2)

Product ID: 165151842

Details

Brand
NGK
Core Material
Copper
Thread Size
12mm x 1.25mm
Top Material Type
Metal
Vehicle Service Type
Car Truck

⚡Copper core for superior heat removal

🔥Pure alumina silicate ceramic insulator for heat transfer

🛡️Trivalent metal plating resists corrosion & seizing

12023CFA

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Description

⚡ Ignite your engine’s potential with NGK’s trusted spark!

PLUG PLAY READY - Pre-gapped for hassle-free installation—get your engine running smoother, faster, and with less downtime.
PRECISION OEM FIT - Seamlessly compatible with select Argo, Case IH & John Deere models (2010-2024) for guaranteed performance.
FUEL SMART PERFORMANCE - Improved ignitability enhances fuel efficiency, reducing waste and boosting your engine’s power output.
DURABILITY MEETS EFFICIENCY - Trivalent metal plating and copper core ensure long-lasting spark plugs that resist corrosion and optimize heat dissipation.
ENGINEERED FOR PEAK IGNITION - Pure alumina silicate ceramic insulator and corrugated ribs prevent flashover, delivering consistent, reliable ignition every time.

NGK 6578 Standard Series Spark Plugs (BPR4ES) are precision-engineered ignition components designed for select Argo, Case IH, and John Deere models from 2010 to 2024. Featuring copper cores for efficient heat removal, trivalent metal plating for superior corrosion resistance, and pure alumina silicate ceramic insulators to prevent flashover, these spark plugs deliver reliable performance, improved fuel efficiency, and durability. Pre-gapped and OEM-quality, they ensure easy installation and consistent engine ignition under all conditions.

Specifications

ASIN	B07CCGGMNZ
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#1,234 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car, Truck
Core Material	Copper
Customer Reviews	4.8 4.8 out of 5 stars (2,776)
Gap Size	0.03 Inches
Included Components	6578
Item Weight	2.08 ounces
Manufacturer	NGK
Manufacturer Part Number	6578
Manufacturer Warranty Description	Includes manufacturer provided warranty
Model Number	6578
Thread Size	12mm x 1.25mm
Top Material Type	Metal
UPC	087295465783
Unit Count	1.0 Count

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