Replace those Worn Out Main Bearings!
Std. Size
Replace those Worn Out Main Bearings!
Std. Size
Replace those Worn Out Main Bearings!
+0.25mm
.25 Oversize Bearings
Replace those Worn Out Main Bearings!
+0.25mm
King BMW (Size STDX) Coated Performance Main Bearing Set for B58B30A
This product was last offered at the strikethrough price on
05-02-2026
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!
Performance Coated Rod Bearing Set for the S54 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
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
Replace those Worn Out Main Bearings! Set of 5
Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size