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ACL race main bearings for NA/NB
Main bearings for 1990-05 Miata engines. These are quality ACL race bearings for maximum strength inside maximum horsepower engines.
Available in stock and 0.25mm (0.010").
Included in our engine rebuild kits.
Crank measurements in mm and inches:
- Stock = 49.938-49.956 / 1.9661-1.9667
- .25 / .01 = 49.704-49.708 / 1.9569-1.9570
Please note that we can't accept returns on bearings that have been removed from the plastic wrap.
Select Option 1
From $86.99
ACL race main bearings for NA/NB—
$86.99
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Main bearings for 1990-05 Miata engines. These are quality ACL race bearings for maximum strength inside maximum horsepower engines.
Available in stock and 0.25mm (0.010").
Included in our engine rebuild kits.
Crank measurements in mm and inches:
- Stock = 49.938-49.956 / 1.9661-1.9667
- .25 / .01 = 49.704-49.708 / 1.9569-1.9570
Please note that we can't accept returns on bearings that have been removed from the plastic wrap.
