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The ARP #201-4605 head stud kit enhances engine durability and head gasket reliability by providing superior clamping force
Water Cooling: 4 large water jacket ports for better thermal management
12x Intake Valves
Key features include 10AN ORB supply and return outlets for streamlined oil routing
1984 - 91 E30 318is
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
US$ 36.00
US$ 195.55
US$ 18.00
