| Product | Engine | Capacity (ml) | Type | Boring・Honing modification | Full flow modification | Code No. | Availability | Production Date | Manual | Detail | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SR20DET 2.2L Kit STEP1 | SR20DET | 2139 | φ86.5 - φ22 | Required | Not required | 21004-AN015 | × | Detail | Forged Piston Kit + H Beam Connecting Rod _ Forged Fully Counterweighted Crankshaft. Not Compatible with RNN14 | ||
| Forged Piston Kit STEP1 | SR20DET | 2139 | φ86.5 - φ22 | Required | Not required | 21003-AN008 | × | 2025-08-04 | Forged Short Height Piton Kit + Rings + Pins | ||
| Forged Crankshaft | SR20DET | - | - | - | - | 23006-AN001 | △ | Stroke 91mm Fully Counterweighted. | |||
| H-beam Con'rod | SR20DET | - | φ22 Pin | - | Not required | 23004-AN001 | × | 2025-06-03 |