# PMR8B NGK Platinum Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Platinum Spark Plug – Part Number: PMR8B**

NGK spark plugs are built with technology to get an engine firing; the platinum range offers superior ignitability and improved service life over standard plugs, making a great choice as a replacement or upgrade.

## ⚙️ Key Features

-   Platinum-tipped centre electrode for extended service life
-   Improved ignitability over standard plugs
-   Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
-   Corrugated ribs reduce the risk of flashover
-   Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
-   Copper core aids in heat removal
-   Triple seals prevent leakage

## 📏 Specifications

-   NGK stock number: 6378
-   Thread: 10 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The chart shows a 0.5 mm gap for these engines, but check it against your engine's manual before fitting.

-   Moto Guzzi GRISO V 8V 1200 (1200, 2013-2007) – Motorcycle
-   Moto Guzzi NORGE 1200 IE - INBOARD PLUG (1200, 2008-2006) – Motorcycle
-   Moto Guzzi BREVA 1100 - INBOARD PLUG (1100, 2007-2006) – Motorcycle
-   Moto Guzzi CALIFORNIA - INBOARD PLUG (1100, 2011-2006) – Motorcycle
-   Moto Guzzi GRISO V 1100 IE - INBOARD PLUG (1100, 2008-2006) – Motorcycle
-   Ferrari 360 (2005) – 8-12 per engine
-   Ferrari 599 GTB (2010-2007) – 8-12 per engine
-   Ferrari 599 GTO (2011) – 8-12 per engine
-   Ferrari Enzo (2004-2003) – 8-12 per engine
-   Ferrari F430 (2009-2006) – 8-12 per engine
-   Maserati Coupe (2006-2005) – 8-12 per engine
-   Maserati GranSport (2006-2005) – 8-12 per engine
-   Maserati Quattroporte (2007-2004) – 8-12 per engine
-   Maserati Spyder (2006-2005) – 8-12 per engine

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 79.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 79.00 AUD | In stock |

## Images

- PMR8B NGK platinum spark plug
- PMR8B NGK platinum spark plug firing end

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/pmr8b-ngk-platinum-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03
