This ACL Standard Size High Performance Main Bearing Set with extra oil clearance 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. It uses the same standard journal sizing as ACL's standard set, with additional built-in oil clearance for performance applications.
Specifications:
- Type: Main Bearing Set
- Series: High Performance (Extra Oil Clearance)
- Size: Standard, with extra oil clearance
- Engine Fitment: Mitsubishi 4G63/4G64 (6-Bolt, 1st Gen DSM)
- Part Number: 5M1144HX-STD
FAQ
What's different about the "Extra Oil Clearance" version?
It uses the same standard journal size as the regular standard-size set but is machined with additional internal clearance, a spec some performance engine builds require.
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.
When should I choose extra oil clearance over the standard-clearance set?
Only when your engine builder specifies it, typically for higher oil pressure systems or specific performance clearance targets.
