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ACL 90-05 Miata Main Bearings

$79.00

Product Description

ACL Race Series
Main Bearing, Set
Mazda  B6 , B6-T, BP, BP-T, ZL-VE, ZM-DE, 1.6, 1.8
90-05 Miata MX5 All

These are the bearings used in all of our championship winning race engines

Order 1 (one) per car.

 ENGINE BEARINGS
CON ROD BEARING SET MAIN BEARING SET
Part# Part#
4B8351H

 

4B8351HX

 

5M8353H

 

5M8353HX

 

Sizes STD,.025, .25, .50 STD STD,.025, .25, .50 STD
Oil Clearance Standard + 0.001″ Extra Standard + 0.001″ Extra
Half Type Upper & Lower Upper & Lower
Material Tri-metal Hardened steel backs Min Std Shaft Size 1.7693″ / 44.940mm 1.9661″ / 49.938mm
Max Std Shaft Size 1.7699″ / 44.956mm 1.9668″ / 49.956mm
Min Std Tunnel Size 1.8896″ / 47.996mm 2.1259″ / 53.998mm
Max Std Tunnel Size 1.8904″ / 48.016mm 2.1267″ / 54.018mm
Max Wall at Crown 0.0596″ / 1.515mm 0.0591″ / 1.502mm 0.0793″ / 2.013mm 0.0787″ / 2.000mm
Max Overall Length 0.669″ / 17.00mm 0.6941″ / 17.63mm
Notes
Diagram
(Top View)

 

 

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