Subaru EJ20 / EJ25 ACL Race Main Bearing Set(Thrust in 5 pos.) 0

Subaru EJ20 / EJ25 ACL Race Main Bearing Set(Thrust in 5 pos.) 0

Subaru EJ20 / EJ25 ACL Race Main Bearing Set(Thrust in 5 pos.) 0 is an ACL performance main-bearing set for the listed Audi engine application.

The set supports the crankshaft under increased cylinder pressure and engine speed, with bearing geometry intended to promote oil-film stability and consistent crush. Correct housing alignment, journal finish and oil clearance remain essential.

• Part number: 5-POS-0-5M8309H-025
• Manufacturer / series: ACL Race
• Part type: Main-bearing set
• Size: 0.25 mm undersize – verify crank journal

Installation and fitment: Measure the crankshaft journals and installed oil clearances before assembly. Confirm whether the crank is standard or reground and select the bearing size accordingly.

Please confirm the exact engine code and required size against part number 5-POS-0-5M8309H-025 before ordering.