Description
MANUFACTURER : TPR JAPAN
TPR Japan have been producing piston rings since 1939.
They are one of the main manufacturers of piston rings alongside Riken and NPR.
TPR are an OEM supplier to virtually all the Japanese Car manufacturers
THE PRODUCT : PISTON RING SET (FOR ALL FOUR PISTONS)
Piston rings are responsible for sealing the pistons against the cylinder Block.
They serve to ensure compression in the engine cylinder, as well as stop oil from entering the combustion chamber.
Worn Piston rings will commonly cause the following symptoms:
- Loss of power (reduced compression)
- Excessive oil consumption
- Excessive smoke from the exhaust
SPECIFIC ITEM INFORMATION
Made In Japan
Standard Size (78.00mm)
IMPORTANT NOTE
The Oil Control Ring size is different between automatic/manual gearbox engines.
There are 2 Different Ring Sets depending on engine.
Please make sure to check the dimensions below for the oil ring to ensure correct fitment.
Due to the number of engines which have been swapped between cars, the only way to be 100% sure is to check the dimensions below and compare to the existing piston rings
| Ring | Diameter | Height | Thickness |
| Top | 78.00 | 1.50 | 3.10 |
| No 2 | 78.00 | 1.50 | 3.40 |
| Oil | 78.00 | 4.00 | 2.90 |
PACK SIZE
This item contains 1 X Piston Ring Set (for 4 pistons)
FITTING GUIDE
| Make | Model | Years | Type | Chassis | Capacity | Engine Codes |
| Mazda | MX-5 | 1990-1998 | UK Model | NA/NB | 1600cc | B6-ZE |
| Mazda | Eunos Roadster | 1990-1998 | Japan
Import |
NA/NB | 1600cc | B6-ZE |
Fitting Guide
| Make | Model | Year | Chassis | Engine Size | Engine Code | Category | Part | Fitment Notes |
|---|---|---|---|---|---|---|---|---|
| Make | Model | Year | Chassis | Engine Size | Engine Code | Category | Part | Fitment Notes |




Birger S. (verified owner) –
Seems like very good parts