.25 Oversize Bearings
.25 Oversize Bearings
Replace those Worn Out Main Bearings!
+0.25mm
Performance Coated Main Bearing Set for the M54 Engine - Std. Size
Stronger & smoother, with less friction!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Stronger & smoother, with less friction!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
King BMW (Size STDX) Coated Performance Main Bearing Set for B58B30A
Replace those Worn Out Main Bearings!
+0.25mm
Performance engine bearing kit
This product was last offered at the strikethrough price on
07-17-2026
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
Replace your Stock Main Bearings with 5150's Upgraded Alternative!
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Includes upper and lower bearing shells for a complete main bearing replacement.
Includes upper and lower bearing shells for a complete main bearing replacement.
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
Features All Single-Tang Main Bearings for Earlier M20 Engines
This product was last offered at the strikethrough price on
05-02-2026
Performance Coated Rod Bearing Set for the S54 Engine - Std. Size