Description
Overview:
The Piston Ring Set Model 5 Oversize 060 is a genuine Jap spare part for the JAP 5 industrial engine. It restores correct sealing between the piston and cylinder wall to maintain compression, control oil, and improve starting and running quality. Manufactured from durable ring-grade metal to withstand heat and wear, it is made for a precise fit in vintage stationary engines used in plant and machinery. The oversize 060 specification corresponds to 0.060 in (approximately 1.52 mm), intended for engines that have been re-bored to this size. As an OEM-standard component, it offers the right geometry and tension for reliable operation. Suitable for JAP 5 engines in restoration or regular service, it is a practical choice for keeping classic equipment working efficiently.
Key Features:
- Genuine Jap part for assured compatibility with JAP 5 industrial engines
- Oversize 0.060 in (approx. 1.52 mm) for re-bored cylinders to +60 thou
- OEM reference: JAP 5 RS060 for straightforward identification
- Designed to maintain compression, reduce blow-by, and control oil consumption
- Precise ring profiles and tension support stable idle and cleaner combustion
- Durable construction to handle high temperatures and continuous-duty use
- Helps reduce smoke, improve power output, and stabilise fuel efficiency
- Supplied as a matched ring set for one piston to ensure consistent fit
- Suitable for vintage restoration where authentic specification is required
- Unused old stock; may show cosmetic ageing without affecting performance
Typical Applications:
Used on JAP 5 stationary industrial engines commonly found on older plant and workshop equipment, including cement mixers, pumps, generators, saw benches, and similar machinery. Ideal for overhauls after a re-bore to +0.060 in, or when addressing low compression, heavy oil use, or smoky exhaust. Well suited to heritage restorations and routine maintenance of classic equipment.
Also known as:
JAP Model 5 piston rings +60, JAP 5 +0.060 in oversize rings (approx. +1.52 mm), JAP 5 RS060 ring set, Model 5 oversize rings, vintage JAP 5 ring pack, +60 thou piston rings for JAP 5.
Fits Models:
JAP 5, JAP5
Product Specifications
| L&S Part No. | JAP 5 RS060 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | JAP 5 RS060 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Jap part for JAP 5 industrial engines - Oversize 0.060 in for re-bored cylinders - OEM reference: JAP 5 RS060 - Maintains compression and controls oil consumption - Durable metal withstands heat and wear |
| Fits Models | JAP 5 |

