OEM Type RA EJ25 2.5L Subaru STi Shortblock
OEM Factory Shortblock ('18-'21 STi/Type RA)
This Block is the same casting as the latest engines, numbered "705." The crankshaft is the same nitrided, full-counterweight design found in previous EJ25s. The bearings and clearances thus far have been within typical late-model EJ257 specs as well. Select a options in the drop down menus to build a fully optioned Longblock built to your specs!
Specifications
- Suggested Max Power: 450hp
- Block Type: Semi-Closed Deck
- Head Stud Thread: 11mm (STD)
- Fire Lock Groove: No
- Pinned Mains: No
- Bore Size: 99.5mm
- Block Hardware: Standard
- Crankshaft Type: 79mm Hardened
- Piston Type: OEM
- Piston Alloy: Machine Cast Aluminum
- Piston Pins: OEM
- Rod Type: OEM Beam
- Rod Bolts: OEM
- Main Bearings: OEM
- Rod Bearings: OEM
- Compression Ratio Std: 8.2 (8.6)
- Static Balance Tolerance: OEM
Couldn't load pickup availability
Pickup available at Rallispec
Usually ready in 24 hoursPairs well with
OEM Type RA EJ25 2.5L Subaru STi Shortblock
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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