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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE!
SAVE 20%
$519.99
This product was last offered at the strikethrough price on 06-13-2026
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Standard Size
Brand:
ES#:
3970225
Mfg#:
MB7776SI
In Stock
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$135.99
This product was last offered at the strikethrough price on 10-25-2026
A complete set of one time use aluminum bolts for the engine block
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Bolts your lower crank case assembly to the upper crank case block.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
17488
Mfg#:
11110392552
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$42.99
This product was last offered at the strikethrough price on 10-25-2026
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE!
SAVE 25%
$475.99
This product was last offered at the strikethrough price on 06-13-2026
A more aggressive option for street use and an upgrade from stock
Recommended to Use With Vanos Limiters and Upgraded Valve Springs
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4447289
Mfg#:
SCH-CSS-S52-276/
Ships in 2 Business Days
$2640.99
This product was last offered at the strikethrough price on 09-10-2026
Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Proper lubrication of metal mating surfaces is essential prior to starting a new or rebuilt engine.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Std. Size
Brand:
ES#:
4745333
Mfg#:
MB5784SI
Ships in 6 Business Days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$273.99
This product was last offered at the strikethrough price on 09-08-2026
Replace those Worn Out Main Bearings!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply +0.25mm
Brand:
ES#:
4140311
Mfg#:
MB7776SI0.25
In Stock
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$135.99
This product was last offered at the strikethrough price on 09-08-2026
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4845642
Mfg#:
N20-WPC-RB
In Stock
ON SALE!
SAVE 25%
$485.99
This product was last offered at the strikethrough price on 06-13-2026
That's right, we have entire engine blocks, engine internals, and more. Find your replacement short block or long block assembly here, or pick up a fresh canvas for your next engine build with all the parts you need to make it perfect right here.
Lifetime Replacement
