Standard Size
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Standard Size
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Replace those Worn Out Main Bearings!
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Standard Size
The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability.
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This product was last offered at the strikethrough price on
05-02-2026
King BMW (Size STD) Coated Performance Main Bearing Set for B58B30A
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Replace those Worn Out Main Bearings!
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Std. Size
Replace those Worn Out Main Bearings!
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+0.25mm
Red 50mm. Standard bore
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Replace those Worn Out Main Bearings!
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+0.25mm
Stronger & smoother, with less friction!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
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King BMW (Size STDX) Coated Performance Main Bearing Set for B58B30A
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This product was last offered at the strikethrough price on
05-02-2026
Performance Coated Main Bearing Set for the N55 Engine - Std. Size
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affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Violet, 50.00mm
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Includes upper and lower bearing shells for a complete main bearing replacement.
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This product was last offered at the strikethrough price on
02-04-2026