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ACL - Main Bearings - Miata
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Price: From $72.00 to $79.00
Product Options
Series: |
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Size: |
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Detailed Description

ACL Race Series Main Bearing, set Mazda B6 , B6-T, BP, BP-T, ZL-VE, ZM-DE 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 |
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CON ROD BEARING SET
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MAIN BEARING SET
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Part# |
Part# |
4B8351H
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4B8351HX
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5M8353H
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5M8353HX
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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
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Tri-Metal |
Min Std Shaft Size |
1.7693" / 44.940mm
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1.9661" / 49.938mm
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Max Std Shaft Size |
1.7699" / 44.956mm
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1.9668" / 49.956mm
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Min Std Tunnel Size |
1.8896" / 47.996mm
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2.1259" / 53.998mm
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Max Std Tunnel Size |
1.8904" / 48.016mm
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2.1267" / 54.018mm
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Max Wall at Crown |
0.0596" / 1.515mm
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0.0591" / 1.502mm
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0.0793" / 2.013mm
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0.0787" / 2.000mm
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Max Overall Length |
0.669" / 17.00mm
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0.6941" / 17.63mm
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Notes |
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Diagram (Top View)
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