Description
Overview:
The Sealey Spark Plug Feeler Gauge - Metric (Part No. VS518) is a compact, fold-away gauge set for accurately measuring and setting spark plug gaps on petrol engines in cars, motorcycles, garden machinery, and light plant. It uses corrosion-resistant steel blades sized 75 x 13 mm for consistent readings and long service life. An integrated electrode adjuster lets you tweak the ground electrode without stressing the ceramic core, helping to achieve a clean, reliable spark. Suitable for both traditional copper-core plugs and precious metal types such as iridium or platinum, the VS518 supports routine servicing and fault-finding. Its pocket-sized form fits easily in toolboxes and glove compartments, making it practical for workshops, mobile mechanics, and DIY users.
Key Features:
- Metric feeler blades sized 75 x 13 mm for precise, repeatable gap setting
- Integrated electrode adjuster to fine-tune the ground strap without damaging the core
- Durable, corrosion-resistant steel blades for dependable accuracy over time
- Clear size markings for quick selection and reduced setup time
- Fold-away design protects blades and saves space in the toolbox
- Suitable for copper-core, platinum, and iridium spark plugs across many petrol engines
- Smooth blade edges to minimise scoring of electrodes during measurement
- Useful for routine servicing, misfire diagnosis, and performance optimisation
- Trusted Sealey build quality for workshop and mobile use
Typical Applications:
Setting and checking spark plug gaps on cars, vans, motorcycles, scooters, lawn mowers, chainsaws, generators, pressure washers, strimmers, and small plant. Ideal during plug replacement, tune-ups, and troubleshooting hard starting, poor idle, or misfires. Suitable for general garage work, agricultural maintenance, and DIY servicing.
Also known as:
Spark plug gapping tool, blade feeler gauge, thickness gauge, leaf gauge, spark plug gap measurer, plug gap setting tool.
Product Specifications
| L&S Part No. | SEAVS518 |
|---|---|
| Manufacturer | Sealey |
| OEM No. | VS518 |
| Unit of Sale | 1 |
| Size | Height: 160mm x Width: 71mm x Depth: 17mm |
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