# B8EG NGK Standard Racing Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Racing Spark Plug – Part Number: B8EG**

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: 3430
-   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 chart shows a 0.5 mm gap for these engines, but check it against your engine's manual before fitting.

-   Husqvarna 360 CR (360, 2004) – Motorcycle
-   Husqvarna 360 WR (360, 2004-1998) – Motorcycle
-   Husqvarna 250 CR (250, 2001-1998) – Motorcycle
-   Husqvarna 250 WR (250, 2001-1998) – Motorcycle
-   Kawasaki KX500-B (500, 1986-1985) – Motorcycle
-   Kawasaki KX500-C (500, 1987) – Motorcycle
-   Kawasaki KX500-D (500, 1988) – Motorcycle
-   Kawasaki KX500-E (500, 1997-1989) – Motorcycle
-   Kawasaki KX250-C (250, 1984-1983) – Motorcycle
-   Kawasaki KX250-D (250, 1985) – Motorcycle
-   Yamaha WR500 (500, 1993-1992) – Motorcycle
-   Yamaha YZ490 (490, 1987-1982) – Motorcycle
-   Yamaha WR250Z (250, 1998-1991) – Motorcycle
-   Yamaha YZ250 (250, 1995-1988) – Motorcycle
-   Yamaha IT200 (200, 1986) – Motorcycle
-   Yamaha YZ250 (250, 1995-1988) – Race Carts / Go-Kart

## 🔄 Supersession & Cross Reference

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

-   Champion: N60R, N62R, N87
-   ACDelco: S438XLG, S438XLG\*
-   DENSO: 4041, W25EN
-   Autolite: 2416
-   Magneti Marelli: CW10L
-   Motorcraft: AG903

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 19.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 19.00 AUD | In stock |

## Images

- B8EG NGK racing spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b8eg-ngk-standard-racing-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03