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IAG / Crest CNC Billet Aluminum EJ25 Subaru Case Halves
The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness that exists in max-power builds.
The IAG / Crest CNC EJ Block, (Formerly Willall) is machined from 6061-T6 Aerospace Aluminum and features Darton Ductile Iron Sleeves. The block is designed with increased material thickness over the OEM cast aluminum case halves and adds a unique 4-bolt bottom end for additional strength.
Case Features
- Machined from solid billet 6061-T6 Aerospace grade aluminum
- Darton Ductile iron sleeves
- Increased material thickness in all known weak points (around head studs, bottom end location)
- Unique 4 bolt bottom end strengthening
- Threads are rolled into the block rather than conventionally cut for much greater strength
- Full cooling system operation
- Radiused coolant and oil galleries for improved flow and less foaming/turbulence
- Fits all factory engine bay ancillaries (i.e. AC/PS/etc.)
- Multiple Times stiffer and stronger than the stock case
- Precision machined for a superior surface finish
- Hard anodized to avoid marking or straining
Additional Options
- Bore & Hone: Bore & Hone to customer specification
- Fire-Lock: Fire-Lock machine the deck surface
- Case Bolts: ARP Case Bolts
- Head Studs: IAG / ARP 14mm Head Studs, nuts, and washers - *14mm head studs are required for this block
- Machining Deck: - Machine head gasket deck surface
Minimum Requirements To Build & Assemble
- *ARP Case Bolts (Sold separately)
- 14mm Head Studs (Sold separately)
- Internal components (Pistons, Rods, Bearings, Crank, All sold separately).
- Decking head gasket surface required
$11,549.99
SKU
IAG-ENG-1600
IAG (Integrity Auto Group) was established in 2004, initially selling high quality used performance cars. Within a year and a half, IAG sold over 200 Subaru WRX / STI’s. Our clients began requesting us to provide performance products and services for their Subaru’s, which we quickly catered to. IAG extended these services and parts nationally by 2007. Fast forward to 2019, IAG Performance is known as a leader in the automotive performance industry (specifically Subaru) and carries an impeccable reputation among our clients and peers.
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
| SKU | IAG-ENG-1600 |
|---|---|
| Brand | IAG Performance |