Description
Overview:
The NGK R0451B-8 is a Genuine NGK racing spark plug engineered for NGK Racing Series engines that run at high loads and temperatures. Built with a pure alumina silicate ceramic insulator for strength and rapid heat transfer, it uses a copper core to pull heat away from the firing end for stable combustion under extreme conditions. A shaped insulator nose supports fast throttle response, while ribbing on the insulator reduces the risk of flashover. Triple gas seals help maintain compression and long-term sealing integrity. With an NGK heat range 8 suited to demanding competition use, this plug supports reliable ignition when engines are tuned for performance. Ideal for purpose-built racing engines and performance applications where consistency and durability are critical.
Key Features:
- Genuine NGK part for assured quality and fit in NGK Racing Series engines
- Pure alumina silicate ceramic insulator for strength and efficient heat dissipation
- Copper core centre electrode to improve heat removal and reduce hot spots
- Special insulator nose configuration to sharpen throttle response and combustion stability
- Corrugated insulator ribs to help prevent flashover under high voltage
- Triple sealing system to minimise gas leakage and maintain compression
- Built for sustained high-temperature running common in racing and track environments
- Reliable ignition performance to support consistent lap-after-lap operation
- Designed for high-performance tuning where plug heat range control is important
- Straightforward to fit using the correct socket; set gap to the engine manufacturer's specification
Typical Applications:
Competition engines in cars, motorcycles, and karting; track-day and dyno environments; high-compression or high-rev setups where thermal control is critical; engines running rich or leaner calibrations for performance; use in racing series that specify NGK Racing plugs for consistent ignition stability.
Also known as:
Racing plug, performance spark plug, ignition plug, engine plug, spark igniter, high-heat-range plug, competition ignition plug, copper-core racing plug.
Product Specifications
| L&S Part No. | R0451B-8 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NGK |
| OEM No. | 9356 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | NGK |
| Key Features | - Genuine NGK part for NGK Racing Series engines - Alumina silicate ceramic insulator for heat dissipation - Copper core electrode reduces hot spots - Insulator nose enhances throttle response - Triple sealing system maintains compression integrity |

