B46 Main Bearing Set, High-Performance 9051 The ARP #201-4605 head stud

The ARP #201-4605 head stud kit enhances engine durability and head gasket reliability by providing superior clamping force

Upgrade your BMW G8X M2

1984 - 91      E30     318is

12x Intake Valves

B46 Main Bearing Set, High-Performance 9051 The ARP #201-4605 head studBuilt specifically for the BMW B46 engine platform, 5150 AutoSport Calico Coated Main Bearings are engineered for demanding performance builds where reliability and strength are non negotiable. These bearings are coated by Calico with a proven dry film lubricant that reduces friction, enhances wear resistance, and offers superior performance under high stress. Whether you're running a high boost turbo setup, pushing the limits on track, or building a