B9EG NGK Standard Racing Spark Plug | Genuine NGK Spark Plug

🔧 Product Description

NGK Standard Racing Spark Plug – Part Number: B9EG

NGK racing spark plugs are built for sustained high-RPM, high-temperature competition use, with precious-metal electrodes and cold heat ranges chosen for heavily loaded engines. Racing plugs are application-specific – heat range selection is critical, so confirm the specification for your engine before fitting.

⚙️ Key Features

• Competition-grade construction for sustained high RPM and cylinder temperatures
• Cold heat range for heavily loaded engines
• Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
• Triple seals prevent leakage

📏 Specifications

• NGK stock number: 3530
• Thread: Racing Spark Plugs
• Reach: 19 mm (3/4 in)
• Hex: 20.8 mm (13/16 in)
• Seat: Gasket
• Type: Fine Wire Non-Resistor

🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.

• Aprilia ST 125 (125, 1998-1982) – Motorcycle
• Aprilia STX 125 (125, 1998-1982) – Motorcycle
• Husqvarna 250 WXE (250, 1990) – Motorcycle
• Husqvarna 125 SM - SUPERMOTARD (125, 2003-1998) – Motorcycle
• Kawasaki KX500-A (500, 1984-1983) – Motorcycle
• Kawasaki KL250-D (250, 1988-1987) – Motorcycle
• Kawasaki KX250-D (250, 1986) – Motorcycle
• Kawasaki KX250-E (250, 1987) – Motorcycle
• Kawasaki KX250F (250, 1988) – Motorcycle
• Kawasaki KX250-G (250, 1989) – Motorcycle
• Kawasaki KX250-H (250, 1991-1990) – Motorcycle
• Kawasaki KX80-E (80, 1985-1983) – Motorcycle
• Kawasaki KX80-G (80, 1987-1986) – Motorcycle
• Kawasaki KX80-J (80, 1987) – Motorcycle
• Kawasaki KX80-L (80, 1990-1988) – Motorcycle
• Kawasaki KX80-N (80, 1990-1988) – Motorcycle
• Kawasaki KX80-R (80, 1991) – Motorcycle
• Kawasaki KX80-T (80, 1991) – Motorcycle
• Kawasaki KX60-B (60, 1988-1985) – Motorcycle
• Kawasaki KX60-B (60, 1998-1990) – Motorcycle
• Ktm GS500 - 2-STROKE (500, 1990-1983) – Motorcycle
• Ktm MC500 - 2-STROKE (500, 1990-1983) – Motorcycle
• Ktm MXC (500, 1987-1984) – Motorcycle
• Ktm MXC (420, 1984) – Motorcycle
• Ktm 350 ENDURO (350, 1990-1985) – Motorcycle

That is the 25 most common of 46 applications NGK's charts list for this plug – ask us to check yours.

🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

• DENSO: 4043, 4047, W27EN, W27ES-V
• Magneti Marelli: CW112L, CW11L, CW12L
• Champion: N84, N86
• ACDelco: S408XLG
• Autolite: 2415

📦 Condition

• Brand new genuine product
• Supplied in original packaging