Piston engines/Piston Rings
1318010005 · Item · weight 0.0657
Latest index
112.10
Jul 2026 · Provisional
Change over 12 months
+4.47%
Since Jul 2025
Data available
Jan 2005 – Jul 2026
Combined index, 2022-23 = 100
Combined index since Jan 2005
The 2022-23 series joined to its 2011-12 and 2004-05 counterparts and put on the 2022-23 scale, so the whole history reads as one line. It is the index the calculator uses.Published monthly index (2022-23 series)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 109.10 | 111.80 | 111.70 | 110.70 | 112.20 | 117.80P | 112.10P | — | — | — | — | — |
| 2025 | 98.10 | 99.60 | 103.50 | 106.20 | 106.20 | 105.80 | 107.30 | 107.30 | 109.10 | 109.10 | 109.10 | 109.10 |
| 2024 | 99.40 | 99.40 | 99.40 | 99.40 | 99.40 | 99.40 | 99.40 | 99.50 | 100.00 | 100.00 | 99.90 | 99.60 |
| 2023 | — | — | — | 99.40 | 99.40 | 98.20 | 98.20 | 98.20 | 98.20 | 98.20 | 98.40 | 98.40 |
P Provisional — the two most recently published months may still be revised. Values before April 2023 come from the older series; see the chart, or calculate with “Show index values” on.