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| Make | Subaru |
| Model | WRX STI |
| Engine Model | EJ257 |
| Series | Performance Series |
| Metal Type | SAE 4340 |
| Set of | 4 |
| Rated HP | 900 |
| Stock Bolt Type* | ARP 2000 |
| Bolt Size | 3/8" |
| CTC Measurement | 130.50 mm |
| Pin End Thickness | 21.44 mm |
| Big End Thickness | 21.44 mm |
| Big End Bore | 55.00 mm |
| Pin End Bore | 23.00 mm |
| *Bolt upgrades available | |
** Saenz Performance guarantees the quality of the steel, the forging, the heat treatment process and the dimensional sizes. **
** There are no further guarantees either expressed or implied by Saenz Performance or any of their agents. **
