ACL Subaru EJ20/EJ22/EJ25 (Thrust in #5 Position) .002mm Oversized High Performance Extra Oil Clearance Main Bearing Set | 5M8309HXOS2-STD 2013-ram-1500-esi5937977 What does "52mm Journal Size"

What does "52mm Journal Size" refer to

Waterproof - Effectively Protects Vehicles Interior

filtration and performance

These inline-6 engines are used in the Nissan 240Z

widely used across GM's classic and modern truck

ACL Subaru EJ20/EJ22/EJ25 (Thrust in #5 Position) .002mm Oversized High Performance Extra Oil Clearance Main Bearing Set | 5M8309HXOS2-STD 2013-ram-1500-esi5937977 What does "52mm Journal Size"This ACL Oversized High Performance main bearing set (. 002mm per ACL's listed spec) is built with ACL's extra oil clearance specification for the Subaru EJ20 EJ22 EJ25 engine (thrust in the #5 position). It fits a range of Subaru Impreza, Legacy, Forester, and Outback models, as well as the Saab 9 2X, from the 1990s through mid 2000s. Specifications: Type: Main Bearing Set Series: High Performance, Extra Oil Clearance Size: Oversized (. 002mm per ACL