Description
Overview:
This Genuine JAP piston ring set is a standard (STD) size replacement for JAP Model 34 engines. Designed to restore cylinder sealing and maintain correct oil control, the rings help recover lost compression and engine performance in vintage machinery. Manufactured from hard‐wearing materials suitable for high-temperature, high-friction service, the set offers a precise fit in standard, unrebored bores. Ideal for rebuilds and servicing of older construction, agricultural, and garden equipment using JAP Model 34 power units. Supplied as unused old stock (NOS), it may show cosmetic ageing from long-term storage, but remains fully serviceable. OEM reference: JAP MOD 34CC/STD. A practical choice when you need reliable sealing components to keep a classic JAP engine running smoothly and starting consistently.
Key Features:
- Genuine JAP part for correct fit and performance on Model 34 engines
- Standard (STD) size to suit original, unrebored cylinders
- Restores compression and improves starting, power, and fuel efficiency
- Durable construction for long service life in vintage engines
- Precision-ground ring faces for consistent sealing and oil control
- Suitable for refurbishment of classic construction and garden machinery
- Unused old stock; may show minor tarnish or storage marks that do not affect function
- Helps reduce blow-by and exhaust smoke when paired with a sound bore
- Compatible with typical ring-fitting tools and standard installation practices
- OEM reference JAP MOD 34CC/STD for easy identification
Typical Applications:
Used during overhauls or routine refreshes of JAP Model 34 engines found in small plant, workshop equipment, and heritage garden or agricultural machines. Common tasks include restoring compression after wear, improving oil control, and stabilising idle and starting. Suitable for engines powering compact generators, pumps, light mixers, mowers, and similar period equipment where an original-spec standard bore ring set is required.
Also known as:
Piston ring kit, compression rings, oil control rings, standard bore rings, STD size rings, ring set for JAP Model 34, J.A. Prestwich Model 34 ring set, NOS piston rings, vintage JAP rings, engine ring pack.
Fits Models:
JAP Model 34
Product Specifications
| L&S Part No. | JAP MOD 34CC/STD |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | JAP MOD 34CC/STD |
| Unit of Sale | 1 |
| Key Features | - Genuine JAP part for Model 34 engines - Standard size for unrebored cylinders - Restores compression and improves engine performance - Durable for high-temperature, high-friction service - Precision-ground for consistent sealing and oil control |
| Fits Models | 34 |
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