Subaru EJ18E, EJ20D, EJ20E Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
4B8320H


4B8320HX

 
5M8309H

 
5M8309HX

 
Sizes STD, .025, .25, 0.5 STD STD, .025, .25, 0.5 STD
Oil Clearance Standard + 0.001" Extra Standard + 0.001" Extra
Half Type Identical Halves Identical Halves
Material

Tri-metal Hardened steel backs

Tri-Metal
Min Std Shaft Size

1.8891in / 47.984mm

2.3616in / 59.984mm

Max Std Shaft Size

1.8898in / 48.000mm

2.3622in / 60mm

Min Std Tunnel Size

2.0079in / 51.000mm

2.5197in / 64mm

Max Std Tunnel Size

2.0079in / 51.000mm

2.5205in / 64.02mm

Max Wall at Crown

0.059in / 1.498mm

0.0585in / 1.485mm

0.0789in / 2.005mm

0.0784in / 1.992mm

Max Overall Length

0.6154in / 15.63mm

0.748in / 19mm          (8297H/HX)

0.5953in / 15.12mm  (8298H/HX)

0.9035in / 22.95mm  (8309H/HX - Flange)

Notes Suits 48mm journal only Thrust in #5 pos.

Diagram       
(Top View) 

 
Part# Material
Sizes Notes

 
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