Main Bearing Set (AEB5M1959HX-STD)

Fitment

Choose your exact year, make, model, and trim to review this product’s applications.

Description

ACL 5M1959HX-STD is a standard-journal Race Series main-bearing set with extra oil clearance.

Technical specifications

Bearing type Main Journal size Standard Clearance grade HX, 0.001 in / 0.025 mm additional oil clearance Housing bore 59.000–59.020 mm Shaft diameter 54.980–55.000 mm Maximum wall thickness 1.989 mm Maximum length 20.00 mm Application and compatibility

Applications include K20A3, K20A2, K20Z1, K24A and K24Z1 engines.

Manufacturer documents

ACL Race Series application and technical guide

ACL oil-clearance and bearing guidance

Key features

• HX provides 0.001 in (0.025 mm) additional oil clearance on a standard shaft.

Specifications

General

What's in the box

• Main-bearing set

Shell quantity and thrust-washer inclusion are not confirmed.

Install & Results

At a glance

• Select HX only when the engine build calls for additional oil clearance; the engine builder determines the final clearance.