Home / 8 NGK Spark Plugs - For Yamaha 55 AEM AE AM AW Outboard Motor
8 NGK Spark Plugs - For Yamaha 55 AEM AE AM AW Outboard Motor
$43.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 4322 V-Power Spark Plug (BR8HS) is engineered for reliable ignition and durable performance in small engines, powersports, and two-stroke applications. With a V-groove center electrode and solid copper core, it delivers efficient combustion, improved throttle response, and resistance to fouling—ideal for motorcycles, ATVs, and marine engines.
Features & Benefits:
🔧 V-groove electrode improves ignitability and combustion efficiency
🔧 Copper core provides excellent heat dissipation and spark strength
🔧 Resists fouling under tough two-stroke engine conditions
🔧 Pre-gapped for quick, accurate installation
Specifications:
Brand & Part Number: NGK 4322 (BR8HS)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 12.7mm (0.5 in)
Hex Size: 13/16 in (20.8mm)
Heat Range: 8
Seat Type: Gasket
Resistor: Yes
Gap: 0.7mm (0.028 in)
Choose NGK BR8HS V-Power for dependable spark, smooth starts, and long-lasting ignition in small engine and two-stroke applications—order now!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
