# BR10EG NGK Standard Racing Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Racing Spark Plug – Part Number: BR10EG**

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: 3830

## 🚘 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.

-   Aprilia CLASSIC 125 (125, 1999-1995) – Motorcycle
-   Aprilia RS 125 (125, 2009-2006) – Motorcycle
-   Aprilia RS 125 (125, 2002-1997) – Motorcycle
-   Aprilia RS 125 EXTREMA/REPLI. 20KW (125, 1998-1993) – Motorcycle
-   Aprilia RS 125 EXTREMA/REPLI. 23KW (125, 1998-1993) – Motorcycle
-   Aprilia TUONO 125 (125, 2005-2004) – Motorcycle
-   Honda CR85R (85, 2007-2003) – Motorcycle
-   Honda CR85RB - EXPERT (85, 2007) – Motorcycle
-   Honda CR80R (80, 2002-1986) – Motorcycle
-   Honda CR80RB (80, 2002-1996) – Motorcycle
-   Kawasaki KX65 (65, 2017-2000) – Motorcycle
-   Ktm 125 EXC (125, 1996) – Motorcycle
-   Ktm 125 SX (125, 1997-1995) – Motorcycle
-   Suzuki RM65 (65, 2005-2004) – Motorcycle
-   Yamaha YZ85 (85, 2017-2002) – Motorcycle
-   Yamaha YZ80 (80, 2001-2000) – Motorcycle

## 🔄 Supersession & Cross Reference

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

-   DENSO: 4059, W29ESR-V

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 33.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 33.00 AUD | In stock |

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/br10eg-ngk-standard-racing-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03