This ACL .25mm Oversized High Performance Main Bearing Set fits the Mitsubishi 4G63/4G64 6-bolt, 1st-generation DSM engine block, as used across a range of Mitsubishi-derived vehicles including the Mitsubishi Eclipse, Eagle Talon/Summit, Plymouth Laser, and Lancer Evolution 8/9, plus older badge-engineered Dodge, Eagle, and Plymouth models built on this platform. The .25mm oversize designation means these bearings are sized for a main journal machined .25mm over stock.
Specifications:
- Type: Main Bearing Set
- Series: High Performance
- Size: .25mm Oversized
- Engine Fitment: Mitsubishi 4G63/4G64 (6-Bolt, 1st Gen DSM)
- Part Number: 5M1144H-.25
FAQ
What does "6-Bolt, 1st Gen DSM" mean?
It refers to the 6-bolt version of the 4G63/4G64 block used in the first-generation Eclipse/Talon/Laser (DSM) platform, as distinct from the later 7-bolt Evo blocks.
What vehicles use this bearing set?
It fits a range of Mitsubishi-derived vehicles built on this engine platform, including the Mitsubishi Eclipse, Eagle Talon/Summit, Plymouth Laser, and Lancer Evolution 8/9, among others listed in this product's fitment data.
Does this include rod bearings?
No, this is a main bearing set only.
How many main bearings does a 4-cylinder set include?
A complete main bearing set for this inline-4 covers all main journals plus thrust washers where applicable.
