MM600 - Closed Deck EJ25 Shortblock

Our MM600 Closed Deck EJ25 Shortblock is equipped with the following components:

- OEM Subaru EJ25 Cylinder Block Case
- OEM Subaru 79mm nitrided Crankshaft
- OEM Subaru Cylinder Block Bolts
- OEM Subaru O-rings and seals
- Closed Deck Conversion 
- Main bearing bore CNC machined 
- Block halves dowelled/pinned
- 14mm Stud Conversion (RCM 14/12mm Studs can be optionally chosen)
- Mahle Motorsport 2618 99.75mm Forged Pistons
- Manley H-Tuff Forged Connecting Rods with ARP 2000 Connecting Rod Bolts
- ACL Crankshaft - and Connecting Rod Bearings

When delivering a used Cylinder Block Case, it is first cleaned using the water jet process. 

Designed for outputs up to 600HP