Description
Overview:
The Villiers EM117 valve collets are genuine OEM split collets used to secure the inlet and exhaust valves in Villiers MK20 and MK25 engines. Made from robust steel with a precise tapered profile, they lock the valve stem to the spring retainer, preventing movement under load and helping the valvetrain operate smoothly. Supplied as unused old stock, they preserve original build quality and are suitable for maintenance and restoration of classic Villiers-powered machinery found in small plant and garden equipment. As a Genuine Villiers part (MPN EM117), the geometry matches factory specification, ensuring correct seating and reliable operation without modification. A practical choice for tradespeople and DIY mechanics who need dependable parts to maintain engine performance and originality.
Key Features:
- Genuine Villiers OEM part (EM117) for assured compatibility and fit
- Precisely machined steel split collets for secure valve retention
- Correct taper and groove profile to match original valve stems
- Helps maintain compression, smooth running, and valve timing stability
- Suitable for both inlet and exhaust positions on specified engines
- Unused old stock; may show minor tarnish from storage only
- Straightforward to fit using a valve spring compressor and basic tools
- Durable construction resists wear from heat, vibration, and repeated cycles
- Supports long service life and reduces risk of dropped valves
Typical Applications:
Used during cylinder head rebuilds, valve lapping and replacement, decoke services, and full restorations of Villiers engines in small plant, garden machinery, and light construction equipment. Suitable where reliable valve retention is essential for smooth starting, stable idle, and consistent power output.
Also known as:
Split keepers, valve locks, split cones, cotters, collet halves, valve stem locks, engine valve cones.
Fits Models:
MK20, MK25, C25
Product Specifications
| L&S Part No. | EM117 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | EM117 |
| Unit of Sale | 1 |
| Applications | C25, MK20, MK25 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | MK20 | MK25 / C25 |
