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View compareHPI Racing Glow Plug Medium B5 for .18 to .28ci (3-4.7cc) Nitro Engines Running 16%-25% Nitro
HPI Racing Glow Plug Medium B5 for .18 to .28ci (3-4.7cc) Nitro Engines Running 16%-25% Nitro
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Description
Description
Overview
The HPI Racing Glow Plug Medium B5 is a high-quality nitro engine glow plug tuned for .18 to .28 cubic inch (3 to 4.7cc) nitro engines running 16% to 25% nitro fuel. The medium heat range is HPI's general-purpose recommendation, providing reliable starts and stable engine tune across a broad fuel range.
The B5 is an excellent everyday choice for backyard bashing, racing, or general nitro running. Pair with cold (B6) plugs when running higher-nitro race fuels.
Key Features
- Genuine HPI Racing nitro engine glow plug
- "Medium" B5 heat range
- Tuned for 16%-25% nitro fuel
- Designed for .18 to .28ci (3-4.7cc) engines
- Reliable, consistent ignition
Performance Benefits
- Versatile heat range for general-purpose use
- Consistent starts in varied conditions
- Stable engine tune
- Reliable HPI quality
Usage Notes
- Best used in .18 to .28ci (3-4.7cc) nitro engines
- Recommended for fuels containing 16% to 25% nitro
- Replace when ignition becomes inconsistent
- Always verify correct plug compatibility with your specific engine
Technical Specs
- Type: Nitro Engine Glow Plug
- Heat Range: Medium (B5)
- Engine Size Range: .18 to .28ci (3 to 4.7cc)
- Fuel Compatibility: 16% to 25% nitro content
- Manufacturer: HPI Racing
Fitment
- HPI nitro engines in the .18 to .28ci range (Nitro Star T-15, F3.5, F4.6, S-25)
- Other 3-4.7cc nitro RC engines using standard glow plug threading
What's Included
- HPI Racing Glow Plug Medium B5 (as packaged by HPI)
Summary
The HPI Racing Glow Plug Medium B5 is the everyday workhorse plug for .18-.28ci nitro engines running standard 16-25% nitro fuels. Reliable, versatile, and genuine HPI quality.

