Clevite MS2258H Main Bearing Set for 1999-2005 Subaru 1.8L/2.2L/2.5L EJ Series

Vehicle Fitment

• 1999-2002 Subaru Forester (1.8L EJ18, 2.2L EJ22, 2.5L EJ25)
• 1999-2004 Subaru Impreza (1.8L EJ18, 2.2L EJ22, 2.5L EJ25)
• 2000-2004 Subaru Legacy (1.8L EJ18, 2.2L EJ22, 2.5L EJ25)
• 2000-2004 Subaru Outback (1.8L EJ18, 2.2L EJ22, 2.5L EJ25)
• 2002-2005 Subaru WRX (2.0L EJ205, 2.5L EJ255)

Fitment Notes

• Designed for Subaru EJ series engines: EJ18, EJ22, EJ25, EJ205, and EJ255
• Not compatible with non-EJ series engines
• Standard size bearings; not suitable for oversized or undersized crankshafts
• Fitment confirmed through 2005. 2006-2025 unconfirmed.

Features

• High-performance H-Series bearings developed for medium to high RPM applications
• Medium level of eccentricity for improved oil film formation
• High crush factor for maximum bearing retention and stability
• Hardened steel back for increased strength and durability
• Thin overlay for reduced friction and enhanced wear resistance
• Manufactured without flash plating for better seating and oil retention
• Ideal for use with crankshafts featuring oversize fillets
• Suitable for both street performance and motorsport applications

Specifications

• Material: Tri-metal construction with lead-free overlay
• Groove Style: Full groove
• Quantity: 5 bearings (upper and lower halves)
• Position: Main bearings (upper and lower halves)
• Thrust Washer: Not included; use Clevite TW-611S

Included Components

• 1x Upper Main Bearing
• 1x Lower Main Bearing
• 1x Upper Main Bearing
• 1x Lower Main Bearing
• 1x Upper Main Bearing

Product Description

The Clevite MS2258H Main Bearing Set is engineered for Subaru's EJ series engines, including 1.8L, 2.2L, and 2.5L variants. These high-performance bearings are designed to withstand the demands of medium to high RPM applications, making them suitable for both street performance and motorsport use. The H-Series bearings feature a medium level of eccentricity, high crush factor, and a hardened steel back, ensuring maximum bearing retention and stability. The thin overlay reduces friction and enhances wear resistance, while the absence of flash plating allows for better seating and oil retention. This set includes five main bearings, providing the necessary components for a complete replacement. Please note that the thrust washer set is sold separately and is required for installation.